Home / 770,376.62-1,063,151.06-426,206.61

Finding the Fourth Proportional to 770,376.62, 1,063,151.06 and 426,206.61

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Solution

The fourth proportional to 770,376.62, 1,063,151.06 and 426,206.61 is: 588,182.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,376.62 : 1,063,151.06 = 426,206.61 : x
  2. Step 2: Convert to fraction form
    770,376.62/1,063,151.06 = 426,206.61/x
  3. Step 3: Cross multiply
    770,376.62x = 1,063,151.06 × 426,206.61
  4. Step 4: Simplify right side
    770,376.62x = 453,122,007,069.47
  5. Step 5: Solve for x
    x = 453,122,007,069.47/770,376.62
  6. Step 6: Final answer
    x = 588,182.45

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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.