Home / 942,008.46-1,299,959.40-512,279.34

Finding the Fourth Proportional to 942,008.46, 1,299,959.40 and 512,279.34

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Solution

The fourth proportional to 942,008.46, 1,299,959.40 and 512,279.34 is: 706,938.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,008.46 : 1,299,959.40 = 512,279.34 : x
  2. Step 2: Convert to fraction form
    942,008.46/1,299,959.40 = 512,279.34/x
  3. Step 3: Cross multiply
    942,008.46x = 1,299,959.40 × 512,279.34
  4. Step 4: Simplify right side
    942,008.46x = 665,942,343,458.80
  5. Step 5: Solve for x
    x = 665,942,343,458.80/942,008.46
  6. Step 6: Final answer
    x = 706,938.81

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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.