Home / 739,251.36-1,020,167.60-399,719.52

Finding the Fourth Proportional to 739,251.36, 1,020,167.60 and 399,719.52

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Solution

The fourth proportional to 739,251.36, 1,020,167.60 and 399,719.52 is: 551,613.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,251.36 : 1,020,167.60 = 399,719.52 : x
  2. Step 2: Convert to fraction form
    739,251.36/1,020,167.60 = 399,719.52/x
  3. Step 3: Cross multiply
    739,251.36x = 1,020,167.60 × 399,719.52
  4. Step 4: Simplify right side
    739,251.36x = 407,780,903,391.55
  5. Step 5: Solve for x
    x = 407,780,903,391.55/739,251.36
  6. Step 6: Final answer
    x = 551,613.33

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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.