Home / 558,056.44-770,149.38-303,402.16

Finding the Fourth Proportional to 558,056.44, 770,149.38 and 303,402.16

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Solution

The fourth proportional to 558,056.44, 770,149.38 and 303,402.16 is: 418,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,056.44 : 770,149.38 = 303,402.16 : x
  2. Step 2: Convert to fraction form
    558,056.44/770,149.38 = 303,402.16/x
  3. Step 3: Cross multiply
    558,056.44x = 770,149.38 × 303,402.16
  4. Step 4: Simplify right side
    558,056.44x = 233,664,985,414.66
  5. Step 5: Solve for x
    x = 233,664,985,414.66/558,056.44
  6. Step 6: Final answer
    x = 418,712.10

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1.5x scale

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.