Home / 991,957.23-1,368,813.42-550,442.88

Finding the Fourth Proportional to 991,957.23, 1,368,813.42 and 550,442.88

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Solution

The fourth proportional to 991,957.23, 1,368,813.42 and 550,442.88 is: 759,562.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,957.23 : 1,368,813.42 = 550,442.88 : x
  2. Step 2: Convert to fraction form
    991,957.23/1,368,813.42 = 550,442.88/x
  3. Step 3: Cross multiply
    991,957.23x = 1,368,813.42 × 550,442.88
  4. Step 4: Simplify right side
    991,957.23x = 753,453,601,087.45
  5. Step 5: Solve for x
    x = 753,453,601,087.45/991,957.23
  6. Step 6: Final answer
    x = 759,562.59

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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.