Home / 873,152.62-1,309,729.38-392,819.53

Finding the Fourth Proportional to 873,152.62, 1,309,729.38 and 392,819.53

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Solution

The fourth proportional to 873,152.62, 1,309,729.38 and 392,819.53 is: 589,229.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,152.62 : 1,309,729.38 = 392,819.53 : x
  2. Step 2: Convert to fraction form
    873,152.62/1,309,729.38 = 392,819.53/x
  3. Step 3: Cross multiply
    873,152.62x = 1,309,729.38 × 392,819.53
  4. Step 4: Simplify right side
    873,152.62x = 514,487,276,204.47
  5. Step 5: Solve for x
    x = 514,487,276,204.47/873,152.62
  6. Step 6: Final answer
    x = 589,229.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.