Home / 921,499.04-1,381,162.89-415,467.56

Finding the Fourth Proportional to 921,499.04, 1,381,162.89 and 415,467.56

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Solution

The fourth proportional to 921,499.04, 1,381,162.89 and 415,467.56 is: 622,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,499.04 : 1,381,162.89 = 415,467.56 : x
  2. Step 2: Convert to fraction form
    921,499.04/1,381,162.89 = 415,467.56/x
  3. Step 3: Cross multiply
    921,499.04x = 1,381,162.89 × 415,467.56
  4. Step 4: Simplify right side
    921,499.04x = 573,828,368,965.03
  5. Step 5: Solve for x
    x = 573,828,368,965.03/921,499.04
  6. Step 6: Final answer
    x = 622,711.85

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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.