Home / 770,031.36-1,062,612.96-425,844.96

Finding the Fourth Proportional to 770,031.36, 1,062,612.96 and 425,844.96

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Solution

The fourth proportional to 770,031.36, 1,062,612.96 and 425,844.96 is: 587,649.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,031.36 : 1,062,612.96 = 425,844.96 : x
  2. Step 2: Convert to fraction form
    770,031.36/1,062,612.96 = 425,844.96/x
  3. Step 3: Cross multiply
    770,031.36x = 1,062,612.96 × 425,844.96
  4. Step 4: Simplify right side
    770,031.36x = 452,508,373,446.68
  5. Step 5: Solve for x
    x = 452,508,373,446.68/770,031.36
  6. Step 6: Final answer
    x = 587,649.28

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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.