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Finding the Fourth Proportional to 575,998.10, 863,997.15 and 482,686.10

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Solution

The fourth proportional to 575,998.10, 863,997.15 and 482,686.10 is: 724,029.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,998.10 : 863,997.15 = 482,686.10 : x
  2. Step 2: Convert to fraction form
    575,998.10/863,997.15 = 482,686.10/x
  3. Step 3: Cross multiply
    575,998.10x = 863,997.15 × 482,686.10
  4. Step 4: Simplify right side
    575,998.10x = 417,039,414,744.62
  5. Step 5: Solve for x
    x = 417,039,414,744.62/575,998.10
  6. Step 6: Final answer
    x = 724,029.15

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.