Home / 749,069.65-1,123,604.48-216,608.05

Finding the Fourth Proportional to 749,069.65, 1,123,604.48 and 216,608.05

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Solution

The fourth proportional to 749,069.65, 1,123,604.48 and 216,608.05 is: 324,912.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,069.65 : 1,123,604.48 = 216,608.05 : x
  2. Step 2: Convert to fraction form
    749,069.65/1,123,604.48 = 216,608.05/x
  3. Step 3: Cross multiply
    749,069.65x = 1,123,604.48 × 216,608.05
  4. Step 4: Simplify right side
    749,069.65x = 243,381,774,301.02
  5. Step 5: Solve for x
    x = 243,381,774,301.02/749,069.65
  6. Step 6: Final answer
    x = 324,912.08

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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.