Home / 739,337.59-1,020,285.89-399,805.84

Finding the Fourth Proportional to 739,337.59, 1,020,285.89 and 399,805.84

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Solution

The fourth proportional to 739,337.59, 1,020,285.89 and 399,805.84 is: 551,732.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,337.59 : 1,020,285.89 = 399,805.84 : x
  2. Step 2: Convert to fraction form
    739,337.59/1,020,285.89 = 399,805.84/x
  3. Step 3: Cross multiply
    739,337.59x = 1,020,285.89 × 399,805.84
  4. Step 4: Simplify right side
    739,337.59x = 407,916,257,291.60
  5. Step 5: Solve for x
    x = 407,916,257,291.60/739,337.59
  6. Step 6: Final answer
    x = 551,732.07

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Double scale
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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.