Home / 607,985.78-838,585.14-426,738.02

Finding the Fourth Proportional to 607,985.78, 838,585.14 and 426,738.02

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Solution

The fourth proportional to 607,985.78, 838,585.14 and 426,738.02 is: 588,592.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,985.78 : 838,585.14 = 426,738.02 : x
  2. Step 2: Convert to fraction form
    607,985.78/838,585.14 = 426,738.02/x
  3. Step 3: Cross multiply
    607,985.78x = 838,585.14 × 426,738.02
  4. Step 4: Simplify right side
    607,985.78x = 357,856,162,245.02
  5. Step 5: Solve for x
    x = 357,856,162,245.02/607,985.78
  6. Step 6: Final answer
    x = 588,592.98

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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.