Home / 750,929.72-1,036,286.70-411,398.12

Finding the Fourth Proportional to 750,929.72, 1,036,286.70 and 411,398.12

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Solution

The fourth proportional to 750,929.72, 1,036,286.70 and 411,398.12 is: 567,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,929.72 : 1,036,286.70 = 411,398.12 : x
  2. Step 2: Convert to fraction form
    750,929.72/1,036,286.70 = 411,398.12/x
  3. Step 3: Cross multiply
    750,929.72x = 1,036,286.70 × 411,398.12
  4. Step 4: Simplify right side
    750,929.72x = 426,326,400,161.00
  5. Step 5: Solve for x
    x = 426,326,400,161.00/750,929.72
  6. Step 6: Final answer
    x = 567,731.43

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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.