Home / 674,452.40-1,012,177.49-319,467.20

Finding the Fourth Proportional to 674,452.40, 1,012,177.49 and 319,467.20

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Solution

The fourth proportional to 674,452.40, 1,012,177.49 and 319,467.20 is: 479,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,452.40 : 1,012,177.49 = 319,467.20 : x
  2. Step 2: Convert to fraction form
    674,452.40/1,012,177.49 = 319,467.20/x
  3. Step 3: Cross multiply
    674,452.40x = 1,012,177.49 × 319,467.20
  4. Step 4: Simplify right side
    674,452.40x = 323,357,501,975.11
  5. Step 5: Solve for x
    x = 323,357,501,975.11/674,452.40
  6. Step 6: Final answer
    x = 479,437.10

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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.