Home / 859,273.01-1,286,947.20-410,309.93

Finding the Fourth Proportional to 859,273.01, 1,286,947.20 and 410,309.93

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Solution

The fourth proportional to 859,273.01, 1,286,947.20 and 410,309.93 is: 614,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,273.01 : 1,286,947.20 = 410,309.93 : x
  2. Step 2: Convert to fraction form
    859,273.01/1,286,947.20 = 410,309.93/x
  3. Step 3: Cross multiply
    859,273.01x = 1,286,947.20 × 410,309.93
  4. Step 4: Simplify right side
    859,273.01x = 528,047,215,545.70
  5. Step 5: Solve for x
    x = 528,047,215,545.70/859,273.01
  6. Step 6: Final answer
    x = 614,527.87

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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.