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Finding the Fourth Proportional to 539,548.76, 744,574.69 and 297,829.22

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Solution

The fourth proportional to 539,548.76, 744,574.69 and 297,829.22 is: 411,002.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,548.76 : 744,574.69 = 297,829.22 : x
  2. Step 2: Convert to fraction form
    539,548.76/744,574.69 = 297,829.22/x
  3. Step 3: Cross multiply
    539,548.76x = 744,574.69 × 297,829.22
  4. Step 4: Simplify right side
    539,548.76x = 221,756,095,803.86
  5. Step 5: Solve for x
    x = 221,756,095,803.86/539,548.76
  6. Step 6: Final answer
    x = 411,002.88

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1.5x scale

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.