Home / 991,962.14-1,368,820.13-550,447.80

Finding the Fourth Proportional to 991,962.14, 1,368,820.13 and 550,447.80

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Solution

The fourth proportional to 991,962.14, 1,368,820.13 and 550,447.80 is: 759,569.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,962.14 : 1,368,820.13 = 550,447.80 : x
  2. Step 2: Convert to fraction form
    991,962.14/1,368,820.13 = 550,447.80/x
  3. Step 3: Cross multiply
    991,962.14x = 1,368,820.13 × 550,447.80
  4. Step 4: Simplify right side
    991,962.14x = 753,464,026,401.98
  5. Step 5: Solve for x
    x = 753,464,026,401.98/991,962.14
  6. Step 6: Final answer
    x = 759,569.34

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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.