Home / 672,213.70-1,007,370.15-372,826.18

Finding the Fourth Proportional to 672,213.70, 1,007,370.15 and 372,826.18

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Solution

The fourth proportional to 672,213.70, 1,007,370.15 and 372,826.18 is: 558,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,213.70 : 1,007,370.15 = 372,826.18 : x
  2. Step 2: Convert to fraction form
    672,213.70/1,007,370.15 = 372,826.18/x
  3. Step 3: Cross multiply
    672,213.70x = 1,007,370.15 × 372,826.18
  4. Step 4: Simplify right side
    672,213.70x = 375,573,964,870.53
  5. Step 5: Solve for x
    x = 375,573,964,870.53/672,213.70
  6. Step 6: Final answer
    x = 558,712.15

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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.