Home / 948,805.39-1,307,989.48-676,400.36

Finding the Fourth Proportional to 948,805.39, 1,307,989.48 and 676,400.36

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Solution

The fourth proportional to 948,805.39, 1,307,989.48 and 676,400.36 is: 932,461.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,805.39 : 1,307,989.48 = 676,400.36 : x
  2. Step 2: Convert to fraction form
    948,805.39/1,307,989.48 = 676,400.36/x
  3. Step 3: Cross multiply
    948,805.39x = 1,307,989.48 × 676,400.36
  4. Step 4: Simplify right side
    948,805.39x = 884,724,553,766.61
  5. Step 5: Solve for x
    x = 884,724,553,766.61/948,805.39
  6. Step 6: Final answer
    x = 932,461.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.