Home / 761,959.01-1,143,000.64-382,684.61

Finding the Fourth Proportional to 761,959.01, 1,143,000.64 and 382,684.61

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Solution

The fourth proportional to 761,959.01, 1,143,000.64 and 382,684.61 is: 574,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,959.01 : 1,143,000.64 = 382,684.61 : x
  2. Step 2: Convert to fraction form
    761,959.01/1,143,000.64 = 382,684.61/x
  3. Step 3: Cross multiply
    761,959.01x = 1,143,000.64 × 382,684.61
  4. Step 4: Simplify right side
    761,959.01x = 437,408,757,484.01
  5. Step 5: Solve for x
    x = 437,408,757,484.01/761,959.01
  6. Step 6: Final answer
    x = 574,058.12

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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.