Home / 804,981.80-1,207,460.13-205,937.78

Finding the Fourth Proportional to 804,981.80, 1,207,460.13 and 205,937.78

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Solution

The fourth proportional to 804,981.80, 1,207,460.13 and 205,937.78 is: 308,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,981.80 : 1,207,460.13 = 205,937.78 : x
  2. Step 2: Convert to fraction form
    804,981.80/1,207,460.13 = 205,937.78/x
  3. Step 3: Cross multiply
    804,981.80x = 1,207,460.13 × 205,937.78
  4. Step 4: Simplify right side
    804,981.80x = 248,661,658,610.71
  5. Step 5: Solve for x
    x = 248,661,658,610.71/804,981.80
  6. Step 6: Final answer
    x = 308,903.45

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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.