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Finding the Fourth Proportional to 672,277.12, 927,738 and 370,471.36

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Solution

The fourth proportional to 672,277.12, 927,738 and 370,471.36 is: 511,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,277.12 : 927,738 = 370,471.36 : x
  2. Step 2: Convert to fraction form
    672,277.12/927,738 = 370,471.36/x
  3. Step 3: Cross multiply
    672,277.12x = 927,738 × 370,471.36
  4. Step 4: Simplify right side
    672,277.12x = 343,700,358,583.68
  5. Step 5: Solve for x
    x = 343,700,358,583.68/672,277.12
  6. Step 6: Final answer
    x = 511,248.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.