Home / 652,670.10-979,005.15-372,215.70

Finding the Fourth Proportional to 652,670.10, 979,005.15 and 372,215.70

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Solution

The fourth proportional to 652,670.10, 979,005.15 and 372,215.70 is: 558,323.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,670.10 : 979,005.15 = 372,215.70 : x
  2. Step 2: Convert to fraction form
    652,670.10/979,005.15 = 372,215.70/x
  3. Step 3: Cross multiply
    652,670.10x = 979,005.15 × 372,215.70
  4. Step 4: Simplify right side
    652,670.10x = 364,401,087,210.86
  5. Step 5: Solve for x
    x = 364,401,087,210.86/652,670.10
  6. Step 6: Final answer
    x = 558,323.55

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Similar ratio
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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.