Home / 878,687.46-1,317,772.85-373,244.40

Finding the Fourth Proportional to 878,687.46, 1,317,772.85 and 373,244.40

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Solution

The fourth proportional to 878,687.46, 1,317,772.85 and 373,244.40 is: 559,756.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,687.46 : 1,317,772.85 = 373,244.40 : x
  2. Step 2: Convert to fraction form
    878,687.46/1,317,772.85 = 373,244.40/x
  3. Step 3: Cross multiply
    878,687.46x = 1,317,772.85 × 373,244.40
  4. Step 4: Simplify right side
    878,687.46x = 491,851,334,868.32
  5. Step 5: Solve for x
    x = 491,851,334,868.32/878,687.46
  6. Step 6: Final answer
    x = 559,756.86

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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.