Home / 878,904.80-1,318,423.22-373,408.92

Finding the Fourth Proportional to 878,904.80, 1,318,423.22 and 373,408.92

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Solution

The fourth proportional to 878,904.80, 1,318,423.22 and 373,408.92 is: 560,141.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,904.80 : 1,318,423.22 = 373,408.92 : x
  2. Step 2: Convert to fraction form
    878,904.80/1,318,423.22 = 373,408.92/x
  3. Step 3: Cross multiply
    878,904.80x = 1,318,423.22 × 373,408.92
  4. Step 4: Simplify right side
    878,904.80x = 492,310,990,683.12
  5. Step 5: Solve for x
    x = 492,310,990,683.12/878,904.80
  6. Step 6: Final answer
    x = 560,141.43

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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.