Home / 1,005,364.30-1,508,265.15-331,330.90

Finding the Fourth Proportional to 1,005,364.30, 1,508,265.15 and 331,330.90

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Solution

The fourth proportional to 1,005,364.30, 1,508,265.15 and 331,330.90 is: 497,068.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,364.30 : 1,508,265.15 = 331,330.90 : x
  2. Step 2: Convert to fraction form
    1,005,364.30/1,508,265.15 = 331,330.90/x
  3. Step 3: Cross multiply
    1,005,364.30x = 1,508,265.15 × 331,330.90
  4. Step 4: Simplify right side
    1,005,364.30x = 499,734,849,588.14
  5. Step 5: Solve for x
    x = 499,734,849,588.14/1,005,364.30
  6. Step 6: Final answer
    x = 497,068.43

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Double scale
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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.