Home / 804,461.15-1,206,690.68-205,422.01

Finding the Fourth Proportional to 804,461.15, 1,206,690.68 and 205,422.01

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Solution

The fourth proportional to 804,461.15, 1,206,690.68 and 205,422.01 is: 308,132.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,461.15 : 1,206,690.68 = 205,422.01 : x
  2. Step 2: Convert to fraction form
    804,461.15/1,206,690.68 = 205,422.01/x
  3. Step 3: Cross multiply
    804,461.15x = 1,206,690.68 × 205,422.01
  4. Step 4: Simplify right side
    804,461.15x = 247,880,822,430.70
  5. Step 5: Solve for x
    x = 247,880,822,430.70/804,461.15
  6. Step 6: Final answer
    x = 308,132.74

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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.