Home / 887,845.30-1,330,237.05-413,557.90

Finding the Fourth Proportional to 887,845.30, 1,330,237.05 and 413,557.90

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Solution

The fourth proportional to 887,845.30, 1,330,237.05 and 413,557.90 is: 619,623.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,845.30 : 1,330,237.05 = 413,557.90 : x
  2. Step 2: Convert to fraction form
    887,845.30/1,330,237.05 = 413,557.90/x
  3. Step 3: Cross multiply
    887,845.30x = 1,330,237.05 × 413,557.90
  4. Step 4: Simplify right side
    887,845.30x = 550,130,040,900.20
  5. Step 5: Solve for x
    x = 550,130,040,900.20/887,845.30
  6. Step 6: Final answer
    x = 619,623.76

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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.