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Finding the Fourth Proportional to 607,135.20, 909,925.20 and 466,195.20

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Solution

The fourth proportional to 607,135.20, 909,925.20 and 466,195.20 is: 698,695.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,135.20 : 909,925.20 = 466,195.20 : x
  2. Step 2: Convert to fraction form
    607,135.20/909,925.20 = 466,195.20/x
  3. Step 3: Cross multiply
    607,135.20x = 909,925.20 × 466,195.20
  4. Step 4: Simplify right side
    607,135.20x = 424,202,760,599.04
  5. Step 5: Solve for x
    x = 424,202,760,599.04/607,135.20
  6. Step 6: Final answer
    x = 698,695.71

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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.