Home / 882,723.36-1,218,181.92-500,807.52

Finding the Fourth Proportional to 882,723.36, 1,218,181.92 and 500,807.52

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Solution

The fourth proportional to 882,723.36, 1,218,181.92 and 500,807.52 is: 691,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,723.36 : 1,218,181.92 = 500,807.52 : x
  2. Step 2: Convert to fraction form
    882,723.36/1,218,181.92 = 500,807.52/x
  3. Step 3: Cross multiply
    882,723.36x = 1,218,181.92 × 500,807.52
  4. Step 4: Simplify right side
    882,723.36x = 610,074,666,264.04
  5. Step 5: Solve for x
    x = 610,074,666,264.04/882,723.36
  6. Step 6: Final answer
    x = 691,127.81

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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.