Home / 782,060.82-1,079,240.13-424,364.82

Finding the Fourth Proportional to 782,060.82, 1,079,240.13 and 424,364.82

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Solution

The fourth proportional to 782,060.82, 1,079,240.13 and 424,364.82 is: 585,621.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,060.82 : 1,079,240.13 = 424,364.82 : x
  2. Step 2: Convert to fraction form
    782,060.82/1,079,240.13 = 424,364.82/x
  3. Step 3: Cross multiply
    782,060.82x = 1,079,240.13 × 424,364.82
  4. Step 4: Simplify right side
    782,060.82x = 457,991,543,504.23
  5. Step 5: Solve for x
    x = 457,991,543,504.23/782,060.82
  6. Step 6: Final answer
    x = 585,621.39

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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.