Home / 942,731.46-1,300,968.54-513,010.80

Finding the Fourth Proportional to 942,731.46, 1,300,968.54 and 513,010.80

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Solution

The fourth proportional to 942,731.46, 1,300,968.54 and 513,010.80 is: 707,954.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,731.46 : 1,300,968.54 = 513,010.80 : x
  2. Step 2: Convert to fraction form
    942,731.46/1,300,968.54 = 513,010.80/x
  3. Step 3: Cross multiply
    942,731.46x = 1,300,968.54 × 513,010.80
  4. Step 4: Simplify right side
    942,731.46x = 667,410,911,480.23
  5. Step 5: Solve for x
    x = 667,410,911,480.23/942,731.46
  6. Step 6: Final answer
    x = 707,954.43

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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.