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Finding the Fourth Proportional to 676,372.41, 933,394.82 and 366,275.53

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Solution

The fourth proportional to 676,372.41, 933,394.82 and 366,275.53 is: 505,460.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,372.41 : 933,394.82 = 366,275.53 : x
  2. Step 2: Convert to fraction form
    676,372.41/933,394.82 = 366,275.53/x
  3. Step 3: Cross multiply
    676,372.41x = 933,394.82 × 366,275.53
  4. Step 4: Simplify right side
    676,372.41x = 341,879,679,664.37
  5. Step 5: Solve for x
    x = 341,879,679,664.37/676,372.41
  6. Step 6: Final answer
    x = 505,460.71

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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.