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Finding the Fourth Proportional to 558,155.30, 770,245.53 and 303,504.26

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Solution

The fourth proportional to 558,155.30, 770,245.53 and 303,504.26 is: 418,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,155.30 : 770,245.53 = 303,504.26 : x
  2. Step 2: Convert to fraction form
    558,155.30/770,245.53 = 303,504.26/x
  3. Step 3: Cross multiply
    558,155.30x = 770,245.53 × 303,504.26
  4. Step 4: Simplify right side
    558,155.30x = 233,772,799,600.96
  5. Step 5: Solve for x
    x = 233,772,799,600.96/558,155.30
  6. Step 6: Final answer
    x = 418,831.10

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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.