Home / 876,665.70-1,314,998.55-502,380.90

Finding the Fourth Proportional to 876,665.70, 1,314,998.55 and 502,380.90

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Solution

The fourth proportional to 876,665.70, 1,314,998.55 and 502,380.90 is: 753,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,665.70 : 1,314,998.55 = 502,380.90 : x
  2. Step 2: Convert to fraction form
    876,665.70/1,314,998.55 = 502,380.90/x
  3. Step 3: Cross multiply
    876,665.70x = 1,314,998.55 × 502,380.90
  4. Step 4: Simplify right side
    876,665.70x = 660,630,155,047.70
  5. Step 5: Solve for x
    x = 660,630,155,047.70/876,665.70
  6. Step 6: Final answer
    x = 753,571.35

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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.