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Finding the Fourth Proportional to 558,262.08, 770,393.70 and 303,607.80

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Solution

The fourth proportional to 558,262.08, 770,393.70 and 303,607.80 is: 418,974.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,262.08 : 770,393.70 = 303,607.80 : x
  2. Step 2: Convert to fraction form
    558,262.08/770,393.70 = 303,607.80/x
  3. Step 3: Cross multiply
    558,262.08x = 770,393.70 × 303,607.80
  4. Step 4: Simplify right side
    558,262.08x = 233,897,536,390.86
  5. Step 5: Solve for x
    x = 233,897,536,390.86/558,262.08
  6. Step 6: Final answer
    x = 418,974.43

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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.