Home / 806,789.07-1,209,901.47-238,019.13

Finding the Fourth Proportional to 806,789.07, 1,209,901.47 and 238,019.13

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Solution

The fourth proportional to 806,789.07, 1,209,901.47 and 238,019.13 is: 356,945.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,789.07 : 1,209,901.47 = 238,019.13 : x
  2. Step 2: Convert to fraction form
    806,789.07/1,209,901.47 = 238,019.13/x
  3. Step 3: Cross multiply
    806,789.07x = 1,209,901.47 × 238,019.13
  4. Step 4: Simplify right side
    806,789.07x = 287,979,695,275.12
  5. Step 5: Solve for x
    x = 287,979,695,275.12/806,789.07
  6. Step 6: Final answer
    x = 356,945.46

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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.