Home / 830,841.20-1,246,261.80-269,932.40

Finding the Fourth Proportional to 830,841.20, 1,246,261.80 and 269,932.40

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Solution

The fourth proportional to 830,841.20, 1,246,261.80 and 269,932.40 is: 404,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,841.20 : 1,246,261.80 = 269,932.40 : x
  2. Step 2: Convert to fraction form
    830,841.20/1,246,261.80 = 269,932.40/x
  3. Step 3: Cross multiply
    830,841.20x = 1,246,261.80 × 269,932.40
  4. Step 4: Simplify right side
    830,841.20x = 336,406,438,702.32
  5. Step 5: Solve for x
    x = 336,406,438,702.32/830,841.20
  6. Step 6: Final answer
    x = 404,898.60

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Similar ratio
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1.5x scale

Why These Related Problems?

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