Home / 805,698.23-1,208,545.16-300,247.70

Finding the Fourth Proportional to 805,698.23, 1,208,545.16 and 300,247.70

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Solution

The fourth proportional to 805,698.23, 1,208,545.16 and 300,247.70 is: 450,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,698.23 : 1,208,545.16 = 300,247.70 : x
  2. Step 2: Convert to fraction form
    805,698.23/1,208,545.16 = 300,247.70/x
  3. Step 3: Cross multiply
    805,698.23x = 1,208,545.16 × 300,247.70
  4. Step 4: Simplify right side
    805,698.23x = 362,862,897,092.17
  5. Step 5: Solve for x
    x = 362,862,897,092.17/805,698.23
  6. Step 6: Final answer
    x = 450,370.73

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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.