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Finding the Fourth Proportional to 676,182.25, 933,160.67 and 374,376.25

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Solution

The fourth proportional to 676,182.25, 933,160.67 and 374,376.25 is: 516,655.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,182.25 : 933,160.67 = 374,376.25 : x
  2. Step 2: Convert to fraction form
    676,182.25/933,160.67 = 374,376.25/x
  3. Step 3: Cross multiply
    676,182.25x = 933,160.67 × 374,376.25
  4. Step 4: Simplify right side
    676,182.25x = 349,353,192,282.09
  5. Step 5: Solve for x
    x = 349,353,192,282.09/676,182.25
  6. Step 6: Final answer
    x = 516,655.37

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.