Home / 879,535.50-1,319,237.01-280,472.46

Finding the Fourth Proportional to 879,535.50, 1,319,237.01 and 280,472.46

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Solution

The fourth proportional to 879,535.50, 1,319,237.01 and 280,472.46 is: 420,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,535.50 : 1,319,237.01 = 280,472.46 : x
  2. Step 2: Convert to fraction form
    879,535.50/1,319,237.01 = 280,472.46/x
  3. Step 3: Cross multiply
    879,535.50x = 1,319,237.01 × 280,472.46
  4. Step 4: Simplify right side
    879,535.50x = 370,009,649,517.75
  5. Step 5: Solve for x
    x = 370,009,649,517.75/879,535.50
  6. Step 6: Final answer
    x = 420,687.57

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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.