Home / 991,551.60-1,368,257.54-549,999.54

Finding the Fourth Proportional to 991,551.60, 1,368,257.54 and 549,999.54

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Solution

The fourth proportional to 991,551.60, 1,368,257.54 and 549,999.54 is: 758,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,551.60 : 1,368,257.54 = 549,999.54 : x
  2. Step 2: Convert to fraction form
    991,551.60/1,368,257.54 = 549,999.54/x
  3. Step 3: Cross multiply
    991,551.60x = 1,368,257.54 × 549,999.54
  4. Step 4: Simplify right side
    991,551.60x = 752,541,014,851.53
  5. Step 5: Solve for x
    x = 752,541,014,851.53/991,551.60
  6. Step 6: Final answer
    x = 758,952.95

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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.