Home / 747,087.84-1,120,428.24-248,387.04

Finding the Fourth Proportional to 747,087.84, 1,120,428.24 and 248,387.04

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Solution

The fourth proportional to 747,087.84, 1,120,428.24 and 248,387.04 is: 372,512.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,087.84 : 1,120,428.24 = 248,387.04 : x
  2. Step 2: Convert to fraction form
    747,087.84/1,120,428.24 = 248,387.04/x
  3. Step 3: Cross multiply
    747,087.84x = 1,120,428.24 × 248,387.04
  4. Step 4: Simplify right side
    747,087.84x = 278,299,854,066.01
  5. Step 5: Solve for x
    x = 278,299,854,066.01/747,087.84
  6. Step 6: Final answer
    x = 372,512.89

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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.