Home / 590,619.39-815,002.45-328,954.73

Finding the Fourth Proportional to 590,619.39, 815,002.45 and 328,954.73

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Solution

The fourth proportional to 590,619.39, 815,002.45 and 328,954.73 is: 453,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,619.39 : 815,002.45 = 328,954.73 : x
  2. Step 2: Convert to fraction form
    590,619.39/815,002.45 = 328,954.73/x
  3. Step 3: Cross multiply
    590,619.39x = 815,002.45 × 328,954.73
  4. Step 4: Simplify right side
    590,619.39x = 268,098,911,641.62
  5. Step 5: Solve for x
    x = 268,098,911,641.62/590,619.39
  6. Step 6: Final answer
    x = 453,928.39

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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.