Home / 843,235.15-1,262,228.33-487,191.55

Finding the Fourth Proportional to 843,235.15, 1,262,228.33 and 487,191.55

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Solution

The fourth proportional to 843,235.15, 1,262,228.33 and 487,191.55 is: 729,271.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,235.15 : 1,262,228.33 = 487,191.55 : x
  2. Step 2: Convert to fraction form
    843,235.15/1,262,228.33 = 487,191.55/x
  3. Step 3: Cross multiply
    843,235.15x = 1,262,228.33 × 487,191.55
  4. Step 4: Simplify right side
    843,235.15x = 614,946,974,110.65
  5. Step 5: Solve for x
    x = 614,946,974,110.65/843,235.15
  6. Step 6: Final answer
    x = 729,271.04

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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.