Home / 739,033.27-1,019,867.40-399,501.52

Finding the Fourth Proportional to 739,033.27, 1,019,867.40 and 399,501.52

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Solution

The fourth proportional to 739,033.27, 1,019,867.40 and 399,501.52 is: 551,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,033.27 : 1,019,867.40 = 399,501.52 : x
  2. Step 2: Convert to fraction form
    739,033.27/1,019,867.40 = 399,501.52/x
  3. Step 3: Cross multiply
    739,033.27x = 1,019,867.40 × 399,501.52
  4. Step 4: Simplify right side
    739,033.27x = 407,438,573,948.78
  5. Step 5: Solve for x
    x = 407,438,573,948.78/739,033.27
  6. Step 6: Final answer
    x = 551,312.90

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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.