Home / 578,897.10-798,869.25-324,257.40

Finding the Fourth Proportional to 578,897.10, 798,869.25 and 324,257.40

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Solution

The fourth proportional to 578,897.10, 798,869.25 and 324,257.40 is: 447,470.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,897.10 : 798,869.25 = 324,257.40 : x
  2. Step 2: Convert to fraction form
    578,897.10/798,869.25 = 324,257.40/x
  3. Step 3: Cross multiply
    578,897.10x = 798,869.25 × 324,257.40
  4. Step 4: Simplify right side
    578,897.10x = 259,039,265,944.95
  5. Step 5: Solve for x
    x = 259,039,265,944.95/578,897.10
  6. Step 6: Final answer
    x = 447,470.31

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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.