Home / 457,946.10-686,599.15-270,861.30

Finding the Fourth Proportional to 457,946.10, 686,599.15 and 270,861.30

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Solution

The fourth proportional to 457,946.10, 686,599.15 and 270,861.30 is: 406,102.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,946.10 : 686,599.15 = 270,861.30 : x
  2. Step 2: Convert to fraction form
    457,946.10/686,599.15 = 270,861.30/x
  3. Step 3: Cross multiply
    457,946.10x = 686,599.15 × 270,861.30
  4. Step 4: Simplify right side
    457,946.10x = 185,973,138,347.90
  5. Step 5: Solve for x
    x = 185,973,138,347.90/457,946.10
  6. Step 6: Final answer
    x = 406,102.68

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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.