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Finding the Fourth Proportional to 617,740.82, 927,210.42 and 298,117.62

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Solution

The fourth proportional to 617,740.82, 927,210.42 and 298,117.62 is: 447,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,740.82 : 927,210.42 = 298,117.62 : x
  2. Step 2: Convert to fraction form
    617,740.82/927,210.42 = 298,117.62/x
  3. Step 3: Cross multiply
    617,740.82x = 927,210.42 × 298,117.62
  4. Step 4: Simplify right side
    617,740.82x = 276,417,763,649.60
  5. Step 5: Solve for x
    x = 276,417,763,649.60/617,740.82
  6. Step 6: Final answer
    x = 447,465.60

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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.