Home / 807,500.80-1,212,563.40-584,426.80

Finding the Fourth Proportional to 807,500.80, 1,212,563.40 and 584,426.80

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Solution

The fourth proportional to 807,500.80, 1,212,563.40 and 584,426.80 is: 877,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,500.80 : 1,212,563.40 = 584,426.80 : x
  2. Step 2: Convert to fraction form
    807,500.80/1,212,563.40 = 584,426.80/x
  3. Step 3: Cross multiply
    807,500.80x = 1,212,563.40 × 584,426.80
  4. Step 4: Simplify right side
    807,500.80x = 708,654,547,659.12
  5. Step 5: Solve for x
    x = 708,654,547,659.12/807,500.80
  6. Step 6: Final answer
    x = 877,589.90

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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.