Home / 876,677.40-1,315,016.10-344,215.80

Finding the Fourth Proportional to 876,677.40, 1,315,016.10 and 344,215.80

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Solution

The fourth proportional to 876,677.40, 1,315,016.10 and 344,215.80 is: 516,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,677.40 : 1,315,016.10 = 344,215.80 : x
  2. Step 2: Convert to fraction form
    876,677.40/1,315,016.10 = 344,215.80/x
  3. Step 3: Cross multiply
    876,677.40x = 1,315,016.10 × 344,215.80
  4. Step 4: Simplify right side
    876,677.40x = 452,649,318,874.38
  5. Step 5: Solve for x
    x = 452,649,318,874.38/876,677.40
  6. Step 6: Final answer
    x = 516,323.70

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1.5x scale

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.