Home / 891,480.07-1,337,219.98-418,165.43

Finding the Fourth Proportional to 891,480.07, 1,337,219.98 and 418,165.43

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Solution

The fourth proportional to 891,480.07, 1,337,219.98 and 418,165.43 is: 627,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,480.07 : 1,337,219.98 = 418,165.43 : x
  2. Step 2: Convert to fraction form
    891,480.07/1,337,219.98 = 418,165.43/x
  3. Step 3: Cross multiply
    891,480.07x = 1,337,219.98 × 418,165.43
  4. Step 4: Simplify right side
    891,480.07x = 559,179,167,941.29
  5. Step 5: Solve for x
    x = 559,179,167,941.29/891,480.07
  6. Step 6: Final answer
    x = 627,248.09

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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.