Home / 993,517.16-1,489,917.31-424,938.47

Finding the Fourth Proportional to 993,517.16, 1,489,917.31 and 424,938.47

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Solution

The fourth proportional to 993,517.16, 1,489,917.31 and 424,938.47 is: 637,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,517.16 : 1,489,917.31 = 424,938.47 : x
  2. Step 2: Convert to fraction form
    993,517.16/1,489,917.31 = 424,938.47/x
  3. Step 3: Cross multiply
    993,517.16x = 1,489,917.31 × 424,938.47
  4. Step 4: Simplify right side
    993,517.16x = 633,123,173,625.98
  5. Step 5: Solve for x
    x = 633,123,173,625.98/993,517.16
  6. Step 6: Final answer
    x = 637,254.40

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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.