Home / 891,231.39-1,229,899.95-483,333.21

Finding the Fourth Proportional to 891,231.39, 1,229,899.95 and 483,333.21

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Solution

The fourth proportional to 891,231.39, 1,229,899.95 and 483,333.21 is: 667,000.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,231.39 : 1,229,899.95 = 483,333.21 : x
  2. Step 2: Convert to fraction form
    891,231.39/1,229,899.95 = 483,333.21/x
  3. Step 3: Cross multiply
    891,231.39x = 1,229,899.95 × 483,333.21
  4. Step 4: Simplify right side
    891,231.39x = 594,451,490,812.34
  5. Step 5: Solve for x
    x = 594,451,490,812.34/891,231.39
  6. Step 6: Final answer
    x = 667,000.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.