Home / 993,034.60-1,489,746.30-424,414.60

Finding the Fourth Proportional to 993,034.60, 1,489,746.30 and 424,414.60

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Solution

The fourth proportional to 993,034.60, 1,489,746.30 and 424,414.60 is: 636,704.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,034.60 : 1,489,746.30 = 424,414.60 : x
  2. Step 2: Convert to fraction form
    993,034.60/1,489,746.30 = 424,414.60/x
  3. Step 3: Cross multiply
    993,034.60x = 1,489,746.30 × 424,414.60
  4. Step 4: Simplify right side
    993,034.60x = 632,270,080,015.98
  5. Step 5: Solve for x
    x = 632,270,080,015.98/993,034.60
  6. Step 6: Final answer
    x = 636,704.98

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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.