Home / 961,514.40-1,442,507.76-330,437.28

Finding the Fourth Proportional to 961,514.40, 1,442,507.76 and 330,437.28

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Solution

The fourth proportional to 961,514.40, 1,442,507.76 and 330,437.28 is: 495,737.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,514.40 : 1,442,507.76 = 330,437.28 : x
  2. Step 2: Convert to fraction form
    961,514.40/1,442,507.76 = 330,437.28/x
  3. Step 3: Cross multiply
    961,514.40x = 1,442,507.76 × 330,437.28
  4. Step 4: Simplify right side
    961,514.40x = 476,658,340,593.29
  5. Step 5: Solve for x
    x = 476,658,340,593.29/961,514.40
  6. Step 6: Final answer
    x = 495,737.08

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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.