Home / 756,069.40-1,134,104.10-282,656.80

Finding the Fourth Proportional to 756,069.40, 1,134,104.10 and 282,656.80

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Solution

The fourth proportional to 756,069.40, 1,134,104.10 and 282,656.80 is: 423,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,069.40 : 1,134,104.10 = 282,656.80 : x
  2. Step 2: Convert to fraction form
    756,069.40/1,134,104.10 = 282,656.80/x
  3. Step 3: Cross multiply
    756,069.40x = 1,134,104.10 × 282,656.80
  4. Step 4: Simplify right side
    756,069.40x = 320,562,235,772.88
  5. Step 5: Solve for x
    x = 320,562,235,772.88/756,069.40
  6. Step 6: Final answer
    x = 423,985.20

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Similar ratio
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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.