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Finding the Fourth Proportional to 558,096.90, 770,152.50 and 303,448.29

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Solution

The fourth proportional to 558,096.90, 770,152.50 and 303,448.29 is: 418,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,096.90 : 770,152.50 = 303,448.29 : x
  2. Step 2: Convert to fraction form
    558,096.90/770,152.50 = 303,448.29/x
  3. Step 3: Cross multiply
    558,096.90x = 770,152.50 × 303,448.29
  4. Step 4: Simplify right side
    558,096.90x = 233,701,459,164.23
  5. Step 5: Solve for x
    x = 233,701,459,164.23/558,096.90
  6. Step 6: Final answer
    x = 418,747.10

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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.