Home / 887,622.30-1,329,902.55-413,334.90

Finding the Fourth Proportional to 887,622.30, 1,329,902.55 and 413,334.90

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Solution

The fourth proportional to 887,622.30, 1,329,902.55 and 413,334.90 is: 619,289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,622.30 : 1,329,902.55 = 413,334.90 : x
  2. Step 2: Convert to fraction form
    887,622.30/1,329,902.55 = 413,334.90/x
  3. Step 3: Cross multiply
    887,622.30x = 1,329,902.55 × 413,334.90
  4. Step 4: Simplify right side
    887,622.30x = 549,695,137,514.00
  5. Step 5: Solve for x
    x = 549,695,137,514.00/887,622.30
  6. Step 6: Final answer
    x = 619,289.46

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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.