Home / 832,232.20-1,248,780.30-389,000.20

Finding the Fourth Proportional to 832,232.20, 1,248,780.30 and 389,000.20

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Solution

The fourth proportional to 832,232.20, 1,248,780.30 and 389,000.20 is: 583,702.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,232.20 : 1,248,780.30 = 389,000.20 : x
  2. Step 2: Convert to fraction form
    832,232.20/1,248,780.30 = 389,000.20/x
  3. Step 3: Cross multiply
    832,232.20x = 1,248,780.30 × 389,000.20
  4. Step 4: Simplify right side
    832,232.20x = 485,775,786,456.06
  5. Step 5: Solve for x
    x = 485,775,786,456.06/832,232.20
  6. Step 6: Final answer
    x = 583,702.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.