Home / 792,106.60-1,187,285.10-437,375.20

Finding the Fourth Proportional to 792,106.60, 1,187,285.10 and 437,375.20

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Solution

The fourth proportional to 792,106.60, 1,187,285.10 and 437,375.20 is: 655,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,106.60 : 1,187,285.10 = 437,375.20 : x
  2. Step 2: Convert to fraction form
    792,106.60/1,187,285.10 = 437,375.20/x
  3. Step 3: Cross multiply
    792,106.60x = 1,187,285.10 × 437,375.20
  4. Step 4: Simplify right side
    792,106.60x = 519,289,058,069.52
  5. Step 5: Solve for x
    x = 519,289,058,069.52/792,106.60
  6. Step 6: Final answer
    x = 655,579.76

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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.