Home / 910,885.59-1,364,832.87-311,519.75

Finding the Fourth Proportional to 910,885.59, 1,364,832.87 and 311,519.75

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Solution

The fourth proportional to 910,885.59, 1,364,832.87 and 311,519.75 is: 466,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,885.59 : 1,364,832.87 = 311,519.75 : x
  2. Step 2: Convert to fraction form
    910,885.59/1,364,832.87 = 311,519.75/x
  3. Step 3: Cross multiply
    910,885.59x = 1,364,832.87 × 311,519.75
  4. Step 4: Simplify right side
    910,885.59x = 425,172,387,630.02
  5. Step 5: Solve for x
    x = 425,172,387,630.02/910,885.59
  6. Step 6: Final answer
    x = 466,768.16

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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.