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Finding the Fourth Proportional to 558,281.56, 770,406.42 and 303,632.68

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Solution

The fourth proportional to 558,281.56, 770,406.42 and 303,632.68 is: 419,001.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,281.56 : 770,406.42 = 303,632.68 : x
  2. Step 2: Convert to fraction form
    558,281.56/770,406.42 = 303,632.68/x
  3. Step 3: Cross multiply
    558,281.56x = 770,406.42 × 303,632.68
  4. Step 4: Simplify right side
    558,281.56x = 233,920,565,993.81
  5. Step 5: Solve for x
    x = 233,920,565,993.81/558,281.56
  6. Step 6: Final answer
    x = 419,001.06

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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.