Home / 761,024.74-1,140,711.72-381,029.04

Finding the Fourth Proportional to 761,024.74, 1,140,711.72 and 381,029.04

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Solution

The fourth proportional to 761,024.74, 1,140,711.72 and 381,029.04 is: 571,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,024.74 : 1,140,711.72 = 381,029.04 : x
  2. Step 2: Convert to fraction form
    761,024.74/1,140,711.72 = 381,029.04/x
  3. Step 3: Cross multiply
    761,024.74x = 1,140,711.72 × 381,029.04
  4. Step 4: Simplify right side
    761,024.74x = 434,644,291,588.35
  5. Step 5: Solve for x
    x = 434,644,291,588.35/761,024.74
  6. Step 6: Final answer
    x = 571,130.30

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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.