Home / 579,239.52-799,339.23-317,591.70

Finding the Fourth Proportional to 579,239.52, 799,339.23 and 317,591.70

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Solution

The fourth proportional to 579,239.52, 799,339.23 and 317,591.70 is: 438,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,239.52 : 799,339.23 = 317,591.70 : x
  2. Step 2: Convert to fraction form
    579,239.52/799,339.23 = 317,591.70/x
  3. Step 3: Cross multiply
    579,239.52x = 799,339.23 × 317,591.70
  4. Step 4: Simplify right side
    579,239.52x = 253,863,504,932.39
  5. Step 5: Solve for x
    x = 253,863,504,932.39/579,239.52
  6. Step 6: Final answer
    x = 438,270.35

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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.