Home / 855,926.72-1,181,164.40-473,945.30

Finding the Fourth Proportional to 855,926.72, 1,181,164.40 and 473,945.30

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Solution

The fourth proportional to 855,926.72, 1,181,164.40 and 473,945.30 is: 654,036.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,926.72 : 1,181,164.40 = 473,945.30 : x
  2. Step 2: Convert to fraction form
    855,926.72/1,181,164.40 = 473,945.30/x
  3. Step 3: Cross multiply
    855,926.72x = 1,181,164.40 × 473,945.30
  4. Step 4: Simplify right side
    855,926.72x = 559,807,315,907.32
  5. Step 5: Solve for x
    x = 559,807,315,907.32/855,926.72
  6. Step 6: Final answer
    x = 654,036.50

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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.