Home / 676,741.60-933,900.42-370,817.56

Finding the Fourth Proportional to 676,741.60, 933,900.42 and 370,817.56

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Solution

The fourth proportional to 676,741.60, 933,900.42 and 370,817.56 is: 511,726.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,741.60 : 933,900.42 = 370,817.56 : x
  2. Step 2: Convert to fraction form
    676,741.60/933,900.42 = 370,817.56/x
  3. Step 3: Cross multiply
    676,741.60x = 933,900.42 × 370,817.56
  4. Step 4: Simplify right side
    676,741.60x = 346,306,675,027.38
  5. Step 5: Solve for x
    x = 346,306,675,027.38/676,741.60
  6. Step 6: Final answer
    x = 511,726.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.