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Finding the Fourth Proportional to 723,761, 1,085,326.04 and 243,899.36

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Solution

The fourth proportional to 723,761, 1,085,326.04 and 243,899.36 is: 365,742.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,761 : 1,085,326.04 = 243,899.36 : x
  2. Step 2: Convert to fraction form
    723,761/1,085,326.04 = 243,899.36/x
  3. Step 3: Cross multiply
    723,761x = 1,085,326.04 × 243,899.36
  4. Step 4: Simplify right side
    723,761x = 264,710,326,547.33
  5. Step 5: Solve for x
    x = 264,710,326,547.33/723,761
  6. Step 6: Final answer
    x = 365,742.73

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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.