Home / 855,864.23-1,181,009.61-511,631.15

Finding the Fourth Proportional to 855,864.23, 1,181,009.61 and 511,631.15

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Solution

The fourth proportional to 855,864.23, 1,181,009.61 and 511,631.15 is: 706,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,864.23 : 1,181,009.61 = 511,631.15 : x
  2. Step 2: Convert to fraction form
    855,864.23/1,181,009.61 = 511,631.15/x
  3. Step 3: Cross multiply
    855,864.23x = 1,181,009.61 × 511,631.15
  4. Step 4: Simplify right side
    855,864.23x = 604,241,299,020.30
  5. Step 5: Solve for x
    x = 604,241,299,020.30/855,864.23
  6. Step 6: Final answer
    x = 706,001.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.