Home / 715,221.36-1,072,886.98-202,877.72

Finding the Fourth Proportional to 715,221.36, 1,072,886.98 and 202,877.72

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Solution

The fourth proportional to 715,221.36, 1,072,886.98 and 202,877.72 is: 304,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,221.36 : 1,072,886.98 = 202,877.72 : x
  2. Step 2: Convert to fraction form
    715,221.36/1,072,886.98 = 202,877.72/x
  3. Step 3: Cross multiply
    715,221.36x = 1,072,886.98 × 202,877.72
  4. Step 4: Simplify right side
    715,221.36x = 217,664,864,320.09
  5. Step 5: Solve for x
    x = 217,664,864,320.09/715,221.36
  6. Step 6: Final answer
    x = 304,332.16

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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.