Home / 806,632.13-1,209,981.58-238,013.22

Finding the Fourth Proportional to 806,632.13, 1,209,981.58 and 238,013.22

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Solution

The fourth proportional to 806,632.13, 1,209,981.58 and 238,013.22 is: 357,029.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,632.13 : 1,209,981.58 = 238,013.22 : x
  2. Step 2: Convert to fraction form
    806,632.13/1,209,981.58 = 238,013.22/x
  3. Step 3: Cross multiply
    806,632.13x = 1,209,981.58 × 238,013.22
  4. Step 4: Simplify right side
    806,632.13x = 287,991,611,996.49
  5. Step 5: Solve for x
    x = 287,991,611,996.49/806,632.13
  6. Step 6: Final answer
    x = 357,029.68

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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.