Home / 916,042.56-1,373,399.52-615,778.32

Finding the Fourth Proportional to 916,042.56, 1,373,399.52 and 615,778.32

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Solution

The fourth proportional to 916,042.56, 1,373,399.52 and 615,778.32 is: 923,220.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,042.56 : 1,373,399.52 = 615,778.32 : x
  2. Step 2: Convert to fraction form
    916,042.56/1,373,399.52 = 615,778.32/x
  3. Step 3: Cross multiply
    916,042.56x = 1,373,399.52 × 615,778.32
  4. Step 4: Simplify right side
    916,042.56x = 845,709,649,114.41
  5. Step 5: Solve for x
    x = 845,709,649,114.41/916,042.56
  6. Step 6: Final answer
    x = 923,220.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.