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Finding the Fourth Proportional to 502,265.61, 692,650.85 and 329,880.20

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Solution

The fourth proportional to 502,265.61, 692,650.85 and 329,880.20 is: 454,922.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,265.61 : 692,650.85 = 329,880.20 : x
  2. Step 2: Convert to fraction form
    502,265.61/692,650.85 = 329,880.20/x
  3. Step 3: Cross multiply
    502,265.61x = 692,650.85 × 329,880.20
  4. Step 4: Simplify right side
    502,265.61x = 228,491,795,815.52
  5. Step 5: Solve for x
    x = 228,491,795,815.52/502,265.61
  6. Step 6: Final answer
    x = 454,922.24

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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.