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Finding the Fourth Proportional to 660,293.92, 912,060.32 and 546,034.08

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Solution

The fourth proportional to 660,293.92, 912,060.32 and 546,034.08 is: 754,233.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,293.92 : 912,060.32 = 546,034.08 : x
  2. Step 2: Convert to fraction form
    660,293.92/912,060.32 = 546,034.08/x
  3. Step 3: Cross multiply
    660,293.92x = 912,060.32 × 546,034.08
  4. Step 4: Simplify right side
    660,293.92x = 498,016,017,735.71
  5. Step 5: Solve for x
    x = 498,016,017,735.71/660,293.92
  6. Step 6: Final answer
    x = 754,233.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.