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Finding the Fourth Proportional to 605,210.28, 907,815.66 and 604,335.72

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Solution

The fourth proportional to 605,210.28, 907,815.66 and 604,335.72 is: 906,503.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,210.28 : 907,815.66 = 604,335.72 : x
  2. Step 2: Convert to fraction form
    605,210.28/907,815.66 = 604,335.72/x
  3. Step 3: Cross multiply
    605,210.28x = 907,815.66 × 604,335.72
  4. Step 4: Simplify right side
    605,210.28x = 548,625,430,513.38
  5. Step 5: Solve for x
    x = 548,625,430,513.38/605,210.28
  6. Step 6: Final answer
    x = 906,503.82

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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.