Home / 887,613.88-1,329,661.49-413,647.24

Finding the Fourth Proportional to 887,613.88, 1,329,661.49 and 413,647.24

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Solution

The fourth proportional to 887,613.88, 1,329,661.49 and 413,647.24 is: 619,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,613.88 : 1,329,661.49 = 413,647.24 : x
  2. Step 2: Convert to fraction form
    887,613.88/1,329,661.49 = 413,647.24/x
  3. Step 3: Cross multiply
    887,613.88x = 1,329,661.49 × 413,647.24
  4. Step 4: Simplify right side
    887,613.88x = 550,010,798,824.48
  5. Step 5: Solve for x
    x = 550,010,798,824.48/887,613.88
  6. Step 6: Final answer
    x = 619,650.97

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Double scale
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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.