Home / 607,938.06-838,519.42-426,690.43

Finding the Fourth Proportional to 607,938.06, 838,519.42 and 426,690.43

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Solution

The fourth proportional to 607,938.06, 838,519.42 and 426,690.43 is: 588,527.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,938.06 : 838,519.42 = 426,690.43 : x
  2. Step 2: Convert to fraction form
    607,938.06/838,519.42 = 426,690.43/x
  3. Step 3: Cross multiply
    607,938.06x = 838,519.42 × 426,690.43
  4. Step 4: Simplify right side
    607,938.06x = 357,788,213,036.78
  5. Step 5: Solve for x
    x = 357,788,213,036.78/607,938.06
  6. Step 6: Final answer
    x = 588,527.41

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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.