Home / 859,152.80-1,288,729.20-605,898.20

Finding the Fourth Proportional to 859,152.80, 1,288,729.20 and 605,898.20

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Solution

The fourth proportional to 859,152.80, 1,288,729.20 and 605,898.20 is: 908,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,152.80 : 1,288,729.20 = 605,898.20 : x
  2. Step 2: Convert to fraction form
    859,152.80/1,288,729.20 = 605,898.20/x
  3. Step 3: Cross multiply
    859,152.80x = 1,288,729.20 × 605,898.20
  4. Step 4: Simplify right side
    859,152.80x = 780,838,702,567.44
  5. Step 5: Solve for x
    x = 780,838,702,567.44/859,152.80
  6. Step 6: Final answer
    x = 908,847.30

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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.