Home / 749,054.18-1,123,693.16-275,703.55

Finding the Fourth Proportional to 749,054.18, 1,123,693.16 and 275,703.55

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Solution

The fourth proportional to 749,054.18, 1,123,693.16 and 275,703.55 is: 413,596.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,054.18 : 1,123,693.16 = 275,703.55 : x
  2. Step 2: Convert to fraction form
    749,054.18/1,123,693.16 = 275,703.55/x
  3. Step 3: Cross multiply
    749,054.18x = 1,123,693.16 × 275,703.55
  4. Step 4: Simplify right side
    749,054.18x = 309,806,189,134.97
  5. Step 5: Solve for x
    x = 309,806,189,134.97/749,054.18
  6. Step 6: Final answer
    x = 413,596.50

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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.