Home / 802,396.89-1,107,234.23-462,799.53

Finding the Fourth Proportional to 802,396.89, 1,107,234.23 and 462,799.53

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Solution

The fourth proportional to 802,396.89, 1,107,234.23 and 462,799.53 is: 638,620.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,396.89 : 1,107,234.23 = 462,799.53 : x
  2. Step 2: Convert to fraction form
    802,396.89/1,107,234.23 = 462,799.53/x
  3. Step 3: Cross multiply
    802,396.89x = 1,107,234.23 × 462,799.53
  4. Step 4: Simplify right side
    802,396.89x = 512,427,478,929.91
  5. Step 5: Solve for x
    x = 512,427,478,929.91/802,396.89
  6. Step 6: Final answer
    x = 638,620.97

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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.