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Finding the Fourth Proportional to 478,800.06, 660,783.87 and 263,982.12

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Solution

The fourth proportional to 478,800.06, 660,783.87 and 263,982.12 is: 364,317.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,800.06 : 660,783.87 = 263,982.12 : x
  2. Step 2: Convert to fraction form
    478,800.06/660,783.87 = 263,982.12/x
  3. Step 3: Cross multiply
    478,800.06x = 660,783.87 × 263,982.12
  4. Step 4: Simplify right side
    478,800.06x = 174,435,126,864.40
  5. Step 5: Solve for x
    x = 174,435,126,864.40/478,800.06
  6. Step 6: Final answer
    x = 364,317.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.