Home / 770,316.84-1,063,017.36-426,143.88

Finding the Fourth Proportional to 770,316.84, 1,063,017.36 and 426,143.88

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Solution

The fourth proportional to 770,316.84, 1,063,017.36 and 426,143.88 is: 588,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,316.84 : 1,063,017.36 = 426,143.88 : x
  2. Step 2: Convert to fraction form
    770,316.84/1,063,017.36 = 426,143.88/x
  3. Step 3: Cross multiply
    770,316.84x = 1,063,017.36 × 426,143.88
  4. Step 4: Simplify right side
    770,316.84x = 452,998,342,297.76
  5. Step 5: Solve for x
    x = 452,998,342,297.76/770,316.84
  6. Step 6: Final answer
    x = 588,067.56

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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.