Home / 758,929.46-1,047,233.49-419,377.46

Finding the Fourth Proportional to 758,929.46, 1,047,233.49 and 419,377.46

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Solution

The fourth proportional to 758,929.46, 1,047,233.49 and 419,377.46 is: 578,691.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,929.46 : 1,047,233.49 = 419,377.46 : x
  2. Step 2: Convert to fraction form
    758,929.46/1,047,233.49 = 419,377.46/x
  3. Step 3: Cross multiply
    758,929.46x = 1,047,233.49 × 419,377.46
  4. Step 4: Simplify right side
    758,929.46x = 439,186,121,063.14
  5. Step 5: Solve for x
    x = 439,186,121,063.14/758,929.46
  6. Step 6: Final answer
    x = 578,691.62

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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.