Home / 704,904.20-1,057,356.30-492,327.80

Finding the Fourth Proportional to 704,904.20, 1,057,356.30 and 492,327.80

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Solution

The fourth proportional to 704,904.20, 1,057,356.30 and 492,327.80 is: 738,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,904.20 : 1,057,356.30 = 492,327.80 : x
  2. Step 2: Convert to fraction form
    704,904.20/1,057,356.30 = 492,327.80/x
  3. Step 3: Cross multiply
    704,904.20x = 1,057,356.30 × 492,327.80
  4. Step 4: Simplify right side
    704,904.20x = 520,565,900,995.14
  5. Step 5: Solve for x
    x = 520,565,900,995.14/704,904.20
  6. Step 6: Final answer
    x = 738,491.70

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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.