Home / 761,882.54-1,141,821.14-425,081.79

Finding the Fourth Proportional to 761,882.54, 1,141,821.14 and 425,081.79

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Solution

The fourth proportional to 761,882.54, 1,141,821.14 and 425,081.79 is: 637,063.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,882.54 : 1,141,821.14 = 425,081.79 : x
  2. Step 2: Convert to fraction form
    761,882.54/1,141,821.14 = 425,081.79/x
  3. Step 3: Cross multiply
    761,882.54x = 1,141,821.14 × 425,081.79
  4. Step 4: Simplify right side
    761,882.54x = 485,367,371,925.63
  5. Step 5: Solve for x
    x = 485,367,371,925.63/761,882.54
  6. Step 6: Final answer
    x = 637,063.26

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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.