Home / 992,761.45-1,488,650.29-352,969.31

Finding the Fourth Proportional to 992,761.45, 1,488,650.29 and 352,969.31

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Solution

The fourth proportional to 992,761.45, 1,488,650.29 and 352,969.31 is: 529,279.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,761.45 : 1,488,650.29 = 352,969.31 : x
  2. Step 2: Convert to fraction form
    992,761.45/1,488,650.29 = 352,969.31/x
  3. Step 3: Cross multiply
    992,761.45x = 1,488,650.29 × 352,969.31
  4. Step 4: Simplify right side
    992,761.45x = 525,447,868,531.80
  5. Step 5: Solve for x
    x = 525,447,868,531.80/992,761.45
  6. Step 6: Final answer
    x = 529,279.08

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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.