Home / 942,721.01-1,300,982.37-513,028.85

Finding the Fourth Proportional to 942,721.01, 1,300,982.37 and 513,028.85

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Solution

The fourth proportional to 942,721.01, 1,300,982.37 and 513,028.85 is: 707,994.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,721.01 : 1,300,982.37 = 513,028.85 : x
  2. Step 2: Convert to fraction form
    942,721.01/1,300,982.37 = 513,028.85/x
  3. Step 3: Cross multiply
    942,721.01x = 1,300,982.37 × 513,028.85
  4. Step 4: Simplify right side
    942,721.01x = 667,441,480,081.32
  5. Step 5: Solve for x
    x = 667,441,480,081.32/942,721.01
  6. Step 6: Final answer
    x = 707,994.71

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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.