Home / 838,314.30-1,257,261.39-358,304.82

Finding the Fourth Proportional to 838,314.30, 1,257,261.39 and 358,304.82

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Solution

The fourth proportional to 838,314.30, 1,257,261.39 and 358,304.82 is: 537,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,314.30 : 1,257,261.39 = 358,304.82 : x
  2. Step 2: Convert to fraction form
    838,314.30/1,257,261.39 = 358,304.82/x
  3. Step 3: Cross multiply
    838,314.30x = 1,257,261.39 × 358,304.82
  4. Step 4: Simplify right side
    838,314.30x = 450,482,816,036.90
  5. Step 5: Solve for x
    x = 450,482,816,036.90/838,314.30
  6. Step 6: Final answer
    x = 537,367.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.