Home / 792,109.10-1,187,288.85-437,377.70

Finding the Fourth Proportional to 792,109.10, 1,187,288.85 and 437,377.70

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Solution

The fourth proportional to 792,109.10, 1,187,288.85 and 437,377.70 is: 655,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,109.10 : 1,187,288.85 = 437,377.70 : x
  2. Step 2: Convert to fraction form
    792,109.10/1,187,288.85 = 437,377.70/x
  3. Step 3: Cross multiply
    792,109.10x = 1,187,288.85 × 437,377.70
  4. Step 4: Simplify right side
    792,109.10x = 519,293,666,448.65
  5. Step 5: Solve for x
    x = 519,293,666,448.65/792,109.10
  6. Step 6: Final answer
    x = 655,583.51

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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.