Home / 876,855.30-1,315,282.95-344,199.30

Finding the Fourth Proportional to 876,855.30, 1,315,282.95 and 344,199.30

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Solution

The fourth proportional to 876,855.30, 1,315,282.95 and 344,199.30 is: 516,298.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,855.30 : 1,315,282.95 = 344,199.30 : x
  2. Step 2: Convert to fraction form
    876,855.30/1,315,282.95 = 344,199.30/x
  3. Step 3: Cross multiply
    876,855.30x = 1,315,282.95 × 344,199.30
  4. Step 4: Simplify right side
    876,855.30x = 452,719,470,691.94
  5. Step 5: Solve for x
    x = 452,719,470,691.94/876,855.30
  6. Step 6: Final answer
    x = 516,298.95

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Similar ratio
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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.