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Finding the Fourth Proportional to 676,239.92, 933,211.31 and 370,335.32

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Solution

The fourth proportional to 676,239.92, 933,211.31 and 370,335.32 is: 511,062.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,239.92 : 933,211.31 = 370,335.32 : x
  2. Step 2: Convert to fraction form
    676,239.92/933,211.31 = 370,335.32/x
  3. Step 3: Cross multiply
    676,239.92x = 933,211.31 × 370,335.32
  4. Step 4: Simplify right side
    676,239.92x = 345,601,107,119.11
  5. Step 5: Solve for x
    x = 345,601,107,119.11/676,239.92
  6. Step 6: Final answer
    x = 511,062.86

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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.