Home / 887,946.30-1,330,388.55-413,658.90

Finding the Fourth Proportional to 887,946.30, 1,330,388.55 and 413,658.90

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Solution

The fourth proportional to 887,946.30, 1,330,388.55 and 413,658.90 is: 619,775.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,946.30 : 1,330,388.55 = 413,658.90 : x
  2. Step 2: Convert to fraction form
    887,946.30/1,330,388.55 = 413,658.90/x
  3. Step 3: Cross multiply
    887,946.30x = 1,330,388.55 × 413,658.90
  4. Step 4: Simplify right side
    887,946.30x = 550,327,064,165.60
  5. Step 5: Solve for x
    x = 550,327,064,165.60/887,946.30
  6. Step 6: Final answer
    x = 619,775.16

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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.