Home / 749,114.12-1,123,839.16-216,676.52

Finding the Fourth Proportional to 749,114.12, 1,123,839.16 and 216,676.52

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Solution

The fourth proportional to 749,114.12, 1,123,839.16 and 216,676.52 is: 325,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,114.12 : 1,123,839.16 = 216,676.52 : x
  2. Step 2: Convert to fraction form
    749,114.12/1,123,839.16 = 216,676.52/x
  3. Step 3: Cross multiply
    749,114.12x = 1,123,839.16 × 216,676.52
  4. Step 4: Simplify right side
    749,114.12x = 243,509,556,282.03
  5. Step 5: Solve for x
    x = 243,509,556,282.03/749,114.12
  6. Step 6: Final answer
    x = 325,063.36

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Double scale
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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.