Home / 767,505.32-1,059,025.18-492,104.01

Finding the Fourth Proportional to 767,505.32, 1,059,025.18 and 492,104.01

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Solution

The fourth proportional to 767,505.32, 1,059,025.18 and 492,104.01 is: 679,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,505.32 : 1,059,025.18 = 492,104.01 : x
  2. Step 2: Convert to fraction form
    767,505.32/1,059,025.18 = 492,104.01/x
  3. Step 3: Cross multiply
    767,505.32x = 1,059,025.18 × 492,104.01
  4. Step 4: Simplify right side
    767,505.32x = 521,150,537,768.97
  5. Step 5: Solve for x
    x = 521,150,537,768.97/767,505.32
  6. Step 6: Final answer
    x = 679,018.80

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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.