Home / 739,192.26-1,020,085.74-399,660.24

Finding the Fourth Proportional to 739,192.26, 1,020,085.74 and 399,660.24

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Solution

The fourth proportional to 739,192.26, 1,020,085.74 and 399,660.24 is: 551,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,192.26 : 1,020,085.74 = 399,660.24 : x
  2. Step 2: Convert to fraction form
    739,192.26/1,020,085.74 = 399,660.24/x
  3. Step 3: Cross multiply
    739,192.26x = 1,020,085.74 × 399,660.24
  4. Step 4: Simplify right side
    739,192.26x = 407,687,711,668.98
  5. Step 5: Solve for x
    x = 407,687,711,668.98/739,192.26
  6. Step 6: Final answer
    x = 551,531.36

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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.