Home / 756,029.70-1,134,044.55-223,503.30

Finding the Fourth Proportional to 756,029.70, 1,134,044.55 and 223,503.30

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Solution

The fourth proportional to 756,029.70, 1,134,044.55 and 223,503.30 is: 335,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,029.70 : 1,134,044.55 = 223,503.30 : x
  2. Step 2: Convert to fraction form
    756,029.70/1,134,044.55 = 223,503.30/x
  3. Step 3: Cross multiply
    756,029.70x = 1,134,044.55 × 223,503.30
  4. Step 4: Simplify right side
    756,029.70x = 253,462,699,272.02
  5. Step 5: Solve for x
    x = 253,462,699,272.02/756,029.70
  6. Step 6: Final answer
    x = 335,254.95

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Double scale
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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.