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Finding the Fourth Proportional to 424,731.86, 586,099.76 and 252,640.34

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Solution

The fourth proportional to 424,731.86, 586,099.76 and 252,640.34 is: 348,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,731.86 : 586,099.76 = 252,640.34 : x
  2. Step 2: Convert to fraction form
    424,731.86/586,099.76 = 252,640.34/x
  3. Step 3: Cross multiply
    424,731.86x = 586,099.76 × 252,640.34
  4. Step 4: Simplify right side
    424,731.86x = 148,072,442,640.32
  5. Step 5: Solve for x
    x = 148,072,442,640.32/424,731.86
  6. Step 6: Final answer
    x = 348,625.70

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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.