Home / 917,221.34-1,376,001.16-301,759.94

Finding the Fourth Proportional to 917,221.34, 1,376,001.16 and 301,759.94

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Solution

The fourth proportional to 917,221.34, 1,376,001.16 and 301,759.94 is: 452,695.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,221.34 : 1,376,001.16 = 301,759.94 : x
  2. Step 2: Convert to fraction form
    917,221.34/1,376,001.16 = 301,759.94/x
  3. Step 3: Cross multiply
    917,221.34x = 1,376,001.16 × 301,759.94
  4. Step 4: Simplify right side
    917,221.34x = 415,222,030,167.13
  5. Step 5: Solve for x
    x = 415,222,030,167.13/917,221.34
  6. Step 6: Final answer
    x = 452,695.56

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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.