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Finding the Fourth Proportional to 537,868.90, 742,259.07 and 299,404.90

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Solution

The fourth proportional to 537,868.90, 742,259.07 and 299,404.90 is: 413,178.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,868.90 : 742,259.07 = 299,404.90 : x
  2. Step 2: Convert to fraction form
    537,868.90/742,259.07 = 299,404.90/x
  3. Step 3: Cross multiply
    537,868.90x = 742,259.07 × 299,404.90
  4. Step 4: Simplify right side
    537,868.90x = 222,236,002,627.44
  5. Step 5: Solve for x
    x = 222,236,002,627.44/537,868.90
  6. Step 6: Final answer
    x = 413,178.76

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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.