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Finding the Fourth Proportional to 605,205.28, 907,808.16 and 604,330.72

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Solution

The fourth proportional to 605,205.28, 907,808.16 and 604,330.72 is: 906,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,205.28 : 907,808.16 = 604,330.72 : x
  2. Step 2: Convert to fraction form
    605,205.28/907,808.16 = 604,330.72/x
  3. Step 3: Cross multiply
    605,205.28x = 907,808.16 × 604,330.72
  4. Step 4: Simplify right side
    605,205.28x = 548,616,358,954.68
  5. Step 5: Solve for x
    x = 548,616,358,954.68/605,205.28
  6. Step 6: Final answer
    x = 906,496.32

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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.