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Finding the Fourth Proportional to 615,201.70, 922,802.55 and 602,760.10

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Solution

The fourth proportional to 615,201.70, 922,802.55 and 602,760.10 is: 904,140.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,201.70 : 922,802.55 = 602,760.10 : x
  2. Step 2: Convert to fraction form
    615,201.70/922,802.55 = 602,760.10/x
  3. Step 3: Cross multiply
    615,201.70x = 922,802.55 × 602,760.10
  4. Step 4: Simplify right side
    615,201.70x = 556,228,557,318.26
  5. Step 5: Solve for x
    x = 556,228,557,318.26/615,201.70
  6. Step 6: Final answer
    x = 904,140.15

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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.