Home / 869,442.40-1,304,163.60-496,194.40

Finding the Fourth Proportional to 869,442.40, 1,304,163.60 and 496,194.40

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Solution

The fourth proportional to 869,442.40, 1,304,163.60 and 496,194.40 is: 744,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,442.40 : 1,304,163.60 = 496,194.40 : x
  2. Step 2: Convert to fraction form
    869,442.40/1,304,163.60 = 496,194.40/x
  3. Step 3: Cross multiply
    869,442.40x = 1,304,163.60 × 496,194.40
  4. Step 4: Simplify right side
    869,442.40x = 647,118,675,003.84
  5. Step 5: Solve for x
    x = 647,118,675,003.84/869,442.40
  6. Step 6: Final answer
    x = 744,291.60

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