Home / 770,923.28-1,063,822.74-426,735.92

Finding the Fourth Proportional to 770,923.28, 1,063,822.74 and 426,735.92

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Solution

The fourth proportional to 770,923.28, 1,063,822.74 and 426,735.92 is: 588,867.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,923.28 : 1,063,822.74 = 426,735.92 : x
  2. Step 2: Convert to fraction form
    770,923.28/1,063,822.74 = 426,735.92/x
  3. Step 3: Cross multiply
    770,923.28x = 1,063,822.74 × 426,735.92
  4. Step 4: Simplify right side
    770,923.28x = 453,971,375,670.82
  5. Step 5: Solve for x
    x = 453,971,375,670.82/770,923.28
  6. Step 6: Final answer
    x = 588,867.13

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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.