Home / 804,411.19-1,206,615.72-205,372.45

Finding the Fourth Proportional to 804,411.19, 1,206,615.72 and 205,372.45

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Solution

The fourth proportional to 804,411.19, 1,206,615.72 and 205,372.45 is: 308,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,411.19 : 1,206,615.72 = 205,372.45 : x
  2. Step 2: Convert to fraction form
    804,411.19/1,206,615.72 = 205,372.45/x
  3. Step 3: Cross multiply
    804,411.19x = 1,206,615.72 × 205,372.45
  4. Step 4: Simplify right side
    804,411.19x = 247,805,626,624.91
  5. Step 5: Solve for x
    x = 247,805,626,624.91/804,411.19
  6. Step 6: Final answer
    x = 308,058.40

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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.