Home / 991,446.24-1,368,084.74-561,634.32

Finding the Fourth Proportional to 991,446.24, 1,368,084.74 and 561,634.32

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Solution

The fourth proportional to 991,446.24, 1,368,084.74 and 561,634.32 is: 774,992.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,446.24 : 1,368,084.74 = 561,634.32 : x
  2. Step 2: Convert to fraction form
    991,446.24/1,368,084.74 = 561,634.32/x
  3. Step 3: Cross multiply
    991,446.24x = 1,368,084.74 × 561,634.32
  4. Step 4: Simplify right side
    991,446.24x = 768,363,342,652.28
  5. Step 5: Solve for x
    x = 768,363,342,652.28/991,446.24
  6. Step 6: Final answer
    x = 774,992.44

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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.