Home / 972,431.89-1,341,860.10-536,820.96

Finding the Fourth Proportional to 972,431.89, 1,341,860.10 and 536,820.96

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Solution

The fourth proportional to 972,431.89, 1,341,860.10 and 536,820.96 is: 740,759.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,431.89 : 1,341,860.10 = 536,820.96 : x
  2. Step 2: Convert to fraction form
    972,431.89/1,341,860.10 = 536,820.96/x
  3. Step 3: Cross multiply
    972,431.89x = 1,341,860.10 × 536,820.96
  4. Step 4: Simplify right side
    972,431.89x = 720,338,627,067.70
  5. Step 5: Solve for x
    x = 720,338,627,067.70/972,431.89
  6. Step 6: Final answer
    x = 740,759.98

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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.