Home / 1,520,331.84-2,280,515.04-398,514.24

Finding the Fourth Proportional to 1,520,331.84, 2,280,515.04 and 398,514.24

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Solution

The fourth proportional to 1,520,331.84, 2,280,515.04 and 398,514.24 is: 597,775.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,331.84 : 2,280,515.04 = 398,514.24 : x
  2. Step 2: Convert to fraction form
    1,520,331.84/2,280,515.04 = 398,514.24/x
  3. Step 3: Cross multiply
    1,520,331.84x = 2,280,515.04 × 398,514.24
  4. Step 4: Simplify right side
    1,520,331.84x = 908,817,717,974.17
  5. Step 5: Solve for x
    x = 908,817,717,974.17/1,520,331.84
  6. Step 6: Final answer
    x = 597,775.89

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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.