Home / 897,097.12-1,238,003.28-494,703.52

Finding the Fourth Proportional to 897,097.12, 1,238,003.28 and 494,703.52

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Solution

The fourth proportional to 897,097.12, 1,238,003.28 and 494,703.52 is: 682,695.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,097.12 : 1,238,003.28 = 494,703.52 : x
  2. Step 2: Convert to fraction form
    897,097.12/1,238,003.28 = 494,703.52/x
  3. Step 3: Cross multiply
    897,097.12x = 1,238,003.28 × 494,703.52
  4. Step 4: Simplify right side
    897,097.12x = 612,444,580,387.55
  5. Step 5: Solve for x
    x = 612,444,580,387.55/897,097.12
  6. Step 6: Final answer
    x = 682,695.96

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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.