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Finding the Fourth Proportional to 424,179, 584,933.04 and 280,886.76

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Solution

The fourth proportional to 424,179, 584,933.04 and 280,886.76 is: 387,336.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,179 : 584,933.04 = 280,886.76 : x
  2. Step 2: Convert to fraction form
    424,179/584,933.04 = 280,886.76/x
  3. Step 3: Cross multiply
    424,179x = 584,933.04 × 280,886.76
  4. Step 4: Simplify right side
    424,179x = 164,299,946,422.55
  5. Step 5: Solve for x
    x = 164,299,946,422.55/424,179
  6. Step 6: Final answer
    x = 387,336.35

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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.