Home / 781,569.35-1,171,741.57-308,608.73

Finding the Fourth Proportional to 781,569.35, 1,171,741.57 and 308,608.73

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Solution

The fourth proportional to 781,569.35, 1,171,741.57 and 308,608.73 is: 462,671.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,569.35 : 1,171,741.57 = 308,608.73 : x
  2. Step 2: Convert to fraction form
    781,569.35/1,171,741.57 = 308,608.73/x
  3. Step 3: Cross multiply
    781,569.35x = 1,171,741.57 × 308,608.73
  4. Step 4: Simplify right side
    781,569.35x = 361,609,677,805.91
  5. Step 5: Solve for x
    x = 361,609,677,805.91/781,569.35
  6. Step 6: Final answer
    x = 462,671.26

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1.5x scale

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.