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Finding the Fourth Proportional to 544,657.60, 816,986.40 and 404,689.60

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Solution

The fourth proportional to 544,657.60, 816,986.40 and 404,689.60 is: 607,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,657.60 : 816,986.40 = 404,689.60 : x
  2. Step 2: Convert to fraction form
    544,657.60/816,986.40 = 404,689.60/x
  3. Step 3: Cross multiply
    544,657.60x = 816,986.40 × 404,689.60
  4. Step 4: Simplify right side
    544,657.60x = 330,625,899,421.44
  5. Step 5: Solve for x
    x = 330,625,899,421.44/544,657.60
  6. Step 6: Final answer
    x = 607,034.40

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Similar ratio
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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.