Home / 930,578.72-1,284,107.93-522,587.79

Finding the Fourth Proportional to 930,578.72, 1,284,107.93 and 522,587.79

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Solution

The fourth proportional to 930,578.72, 1,284,107.93 and 522,587.79 is: 721,120.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,578.72 : 1,284,107.93 = 522,587.79 : x
  2. Step 2: Convert to fraction form
    930,578.72/1,284,107.93 = 522,587.79/x
  3. Step 3: Cross multiply
    930,578.72x = 1,284,107.93 × 522,587.79
  4. Step 4: Simplify right side
    930,578.72x = 671,059,122,647.24
  5. Step 5: Solve for x
    x = 671,059,122,647.24/930,578.72
  6. Step 6: Final answer
    x = 721,120.21

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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.