Home / 823,947.80-1,236,650.70-486,566.60

Finding the Fourth Proportional to 823,947.80, 1,236,650.70 and 486,566.60

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Solution

The fourth proportional to 823,947.80, 1,236,650.70 and 486,566.60 is: 730,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,947.80 : 1,236,650.70 = 486,566.60 : x
  2. Step 2: Convert to fraction form
    823,947.80/1,236,650.70 = 486,566.60/x
  3. Step 3: Cross multiply
    823,947.80x = 1,236,650.70 × 486,566.60
  4. Step 4: Simplify right side
    823,947.80x = 601,712,926,486.62
  5. Step 5: Solve for x
    x = 601,712,926,486.62/823,947.80
  6. Step 6: Final answer
    x = 730,280.40

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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.