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Finding the Fourth Proportional to 606,691.65, 909,328.98 and 456,449.31

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Solution

The fourth proportional to 606,691.65, 909,328.98 and 456,449.31 is: 684,140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,691.65 : 909,328.98 = 456,449.31 : x
  2. Step 2: Convert to fraction form
    606,691.65/909,328.98 = 456,449.31/x
  3. Step 3: Cross multiply
    606,691.65x = 909,328.98 × 456,449.31
  4. Step 4: Simplify right side
    606,691.65x = 415,062,585,484.00
  5. Step 5: Solve for x
    x = 415,062,585,484.00/606,691.65
  6. Step 6: Final answer
    x = 684,140.92

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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.