Home / 578,441.60-867,079.20-263,124.80

Finding the Fourth Proportional to 578,441.60, 867,079.20 and 263,124.80

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Solution

The fourth proportional to 578,441.60, 867,079.20 and 263,124.80 is: 394,421.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,441.60 : 867,079.20 = 263,124.80 : x
  2. Step 2: Convert to fraction form
    578,441.60/867,079.20 = 263,124.80/x
  3. Step 3: Cross multiply
    578,441.60x = 867,079.20 × 263,124.80
  4. Step 4: Simplify right side
    578,441.60x = 228,150,041,084.16
  5. Step 5: Solve for x
    x = 228,150,041,084.16/578,441.60
  6. Step 6: Final answer
    x = 394,421.91

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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.