Home / 947,422.26-1,307,439.45-517,706.10

Finding the Fourth Proportional to 947,422.26, 1,307,439.45 and 517,706.10

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Solution

The fourth proportional to 947,422.26, 1,307,439.45 and 517,706.10 is: 714,432.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,422.26 : 1,307,439.45 = 517,706.10 : x
  2. Step 2: Convert to fraction form
    947,422.26/1,307,439.45 = 517,706.10/x
  3. Step 3: Cross multiply
    947,422.26x = 1,307,439.45 × 517,706.10
  4. Step 4: Simplify right side
    947,422.26x = 676,869,378,645.65
  5. Step 5: Solve for x
    x = 676,869,378,645.65/947,422.26
  6. Step 6: Final answer
    x = 714,432.63

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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.