Home / 991,206.10-1,367,779.62-549,694.90

Finding the Fourth Proportional to 991,206.10, 1,367,779.62 and 549,694.90

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Solution

The fourth proportional to 991,206.10, 1,367,779.62 and 549,694.90 is: 758,531.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,206.10 : 1,367,779.62 = 549,694.90 : x
  2. Step 2: Convert to fraction form
    991,206.10/1,367,779.62 = 549,694.90/x
  3. Step 3: Cross multiply
    991,206.10x = 1,367,779.62 × 549,694.90
  4. Step 4: Simplify right side
    991,206.10x = 751,861,481,437.94
  5. Step 5: Solve for x
    x = 751,861,481,437.94/991,206.10
  6. Step 6: Final answer
    x = 758,531.94

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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.