Home / 859,200.30-1,288,800.45-738,477.90

Finding the Fourth Proportional to 859,200.30, 1,288,800.45 and 738,477.90

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Solution

The fourth proportional to 859,200.30, 1,288,800.45 and 738,477.90 is: 1,107,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,200.30 : 1,288,800.45 = 738,477.90 : x
  2. Step 2: Convert to fraction form
    859,200.30/1,288,800.45 = 738,477.90/x
  3. Step 3: Cross multiply
    859,200.30x = 1,288,800.45 × 738,477.90
  4. Step 4: Simplify right side
    859,200.30x = 951,750,649,835.06
  5. Step 5: Solve for x
    x = 951,750,649,835.06/859,200.30
  6. Step 6: Final answer
    x = 1,107,716.85

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1.5x scale

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.