Home / 933,309.97-1,287,992.67-525,427.29

Finding the Fourth Proportional to 933,309.97, 1,287,992.67 and 525,427.29

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Solution

The fourth proportional to 933,309.97, 1,287,992.67 and 525,427.29 is: 725,103.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,309.97 : 1,287,992.67 = 525,427.29 : x
  2. Step 2: Convert to fraction form
    933,309.97/1,287,992.67 = 525,427.29/x
  3. Step 3: Cross multiply
    933,309.97x = 1,287,992.67 × 525,427.29
  4. Step 4: Simplify right side
    933,309.97x = 676,746,496,167.61
  5. Step 5: Solve for x
    x = 676,746,496,167.61/933,309.97
  6. Step 6: Final answer
    x = 725,103.68

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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.