Home / 756,000.43-1,043,280.13-416,468.68

Finding the Fourth Proportional to 756,000.43, 1,043,280.13 and 416,468.68

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Solution

The fourth proportional to 756,000.43, 1,043,280.13 and 416,468.68 is: 574,726.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,000.43 : 1,043,280.13 = 416,468.68 : x
  2. Step 2: Convert to fraction form
    756,000.43/1,043,280.13 = 416,468.68/x
  3. Step 3: Cross multiply
    756,000.43x = 1,043,280.13 × 416,468.68
  4. Step 4: Simplify right side
    756,000.43x = 434,493,498,611.33
  5. Step 5: Solve for x
    x = 434,493,498,611.33/756,000.43
  6. Step 6: Final answer
    x = 574,726.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.