Home / 770,250.44-1,062,864.18-426,031.64

Finding the Fourth Proportional to 770,250.44, 1,062,864.18 and 426,031.64

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Solution

The fourth proportional to 770,250.44, 1,062,864.18 and 426,031.64 is: 587,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,250.44 : 1,062,864.18 = 426,031.64 : x
  2. Step 2: Convert to fraction form
    770,250.44/1,062,864.18 = 426,031.64/x
  3. Step 3: Cross multiply
    770,250.44x = 1,062,864.18 × 426,031.64
  4. Step 4: Simplify right side
    770,250.44x = 452,813,769,702.66
  5. Step 5: Solve for x
    x = 452,813,769,702.66/770,250.44
  6. Step 6: Final answer
    x = 587,878.63

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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.