Home / 911,687.04-1,258,245.60-549,299.52

Finding the Fourth Proportional to 911,687.04, 1,258,245.60 and 549,299.52

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Solution

The fourth proportional to 911,687.04, 1,258,245.60 and 549,299.52 is: 758,104.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,687.04 : 1,258,245.60 = 549,299.52 : x
  2. Step 2: Convert to fraction form
    911,687.04/1,258,245.60 = 549,299.52/x
  3. Step 3: Cross multiply
    911,687.04x = 1,258,245.60 × 549,299.52
  4. Step 4: Simplify right side
    911,687.04x = 691,153,704,122.11
  5. Step 5: Solve for x
    x = 691,153,704,122.11/911,687.04
  6. Step 6: Final answer
    x = 758,104.12

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1.5x scale

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.