Home / 912,311.20-1,368,466.80-539,063.20

Finding the Fourth Proportional to 912,311.20, 1,368,466.80 and 539,063.20

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Solution

The fourth proportional to 912,311.20, 1,368,466.80 and 539,063.20 is: 808,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,311.20 : 1,368,466.80 = 539,063.20 : x
  2. Step 2: Convert to fraction form
    912,311.20/1,368,466.80 = 539,063.20/x
  3. Step 3: Cross multiply
    912,311.20x = 1,368,466.80 × 539,063.20
  4. Step 4: Simplify right side
    912,311.20x = 737,690,092,301.76
  5. Step 5: Solve for x
    x = 737,690,092,301.76/912,311.20
  6. Step 6: Final answer
    x = 808,594.80

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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.