Home / 942,754.77-1,300,999.17-513,034.78

Finding the Fourth Proportional to 942,754.77, 1,300,999.17 and 513,034.78

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Solution

The fourth proportional to 942,754.77, 1,300,999.17 and 513,034.78 is: 707,986.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,754.77 : 1,300,999.17 = 513,034.78 : x
  2. Step 2: Convert to fraction form
    942,754.77/1,300,999.17 = 513,034.78/x
  3. Step 3: Cross multiply
    942,754.77x = 1,300,999.17 × 513,034.78
  4. Step 4: Simplify right side
    942,754.77x = 667,457,822,961.13
  5. Step 5: Solve for x
    x = 667,457,822,961.13/942,754.77
  6. Step 6: Final answer
    x = 707,986.68

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1.5x scale

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.