Home / 806,720.13-1,210,089.92-245,759.49

Finding the Fourth Proportional to 806,720.13, 1,210,089.92 and 245,759.49

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Solution

The fourth proportional to 806,720.13, 1,210,089.92 and 245,759.49 is: 368,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,720.13 : 1,210,089.92 = 245,759.49 : x
  2. Step 2: Convert to fraction form
    806,720.13/1,210,089.92 = 245,759.49/x
  3. Step 3: Cross multiply
    806,720.13x = 1,210,089.92 × 245,759.49
  4. Step 4: Simplify right side
    806,720.13x = 297,391,080,364.54
  5. Step 5: Solve for x
    x = 297,391,080,364.54/806,720.13
  6. Step 6: Final answer
    x = 368,642.20

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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.