Home / 960,077.68-1,440,111.32-391,456.58

Finding the Fourth Proportional to 960,077.68, 1,440,111.32 and 391,456.58

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Solution

The fourth proportional to 960,077.68, 1,440,111.32 and 391,456.58 is: 587,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,077.68 : 1,440,111.32 = 391,456.58 : x
  2. Step 2: Convert to fraction form
    960,077.68/1,440,111.32 = 391,456.58/x
  3. Step 3: Cross multiply
    960,077.68x = 1,440,111.32 × 391,456.58
  4. Step 4: Simplify right side
    960,077.68x = 563,741,052,146.49
  5. Step 5: Solve for x
    x = 563,741,052,146.49/960,077.68
  6. Step 6: Final answer
    x = 587,182.75

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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.