Home / 674,447.04-1,012,169.52-319,462.92

Finding the Fourth Proportional to 674,447.04, 1,012,169.52 and 319,462.92

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Solution

The fourth proportional to 674,447.04, 1,012,169.52 and 319,462.92 is: 479,430.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,447.04 : 1,012,169.52 = 319,462.92 : x
  2. Step 2: Convert to fraction form
    674,447.04/1,012,169.52 = 319,462.92/x
  3. Step 3: Cross multiply
    674,447.04x = 1,012,169.52 × 319,462.92
  4. Step 4: Simplify right side
    674,447.04x = 323,350,630,394.20
  5. Step 5: Solve for x
    x = 323,350,630,394.20/674,447.04
  6. Step 6: Final answer
    x = 479,430.72

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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.