Home / 918,027.25-1,376,680.16-310,648.31

Finding the Fourth Proportional to 918,027.25, 1,376,680.16 and 310,648.31

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Solution

The fourth proportional to 918,027.25, 1,376,680.16 and 310,648.31 is: 465,850.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,027.25 : 1,376,680.16 = 310,648.31 : x
  2. Step 2: Convert to fraction form
    918,027.25/1,376,680.16 = 310,648.31/x
  3. Step 3: Cross multiply
    918,027.25x = 1,376,680.16 × 310,648.31
  4. Step 4: Simplify right side
    918,027.25x = 427,663,372,350.96
  5. Step 5: Solve for x
    x = 427,663,372,350.96/918,027.25
  6. Step 6: Final answer
    x = 465,850.41

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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.