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Finding the Fourth Proportional to 539,668.86, 744,728.18 and 297,947.04

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Solution

The fourth proportional to 539,668.86, 744,728.18 and 297,947.04 is: 411,158.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,668.86 : 744,728.18 = 297,947.04 : x
  2. Step 2: Convert to fraction form
    539,668.86/744,728.18 = 297,947.04/x
  3. Step 3: Cross multiply
    539,668.86x = 744,728.18 × 297,947.04
  4. Step 4: Simplify right side
    539,668.86x = 221,889,556,835.59
  5. Step 5: Solve for x
    x = 221,889,556,835.59/539,668.86
  6. Step 6: Final answer
    x = 411,158.72

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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.