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Finding the Fourth Proportional to 560,667.75, 841,373.07 and 308,124.61

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Solution

The fourth proportional to 560,667.75, 841,373.07 and 308,124.61 is: 462,391.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,667.75 : 841,373.07 = 308,124.61 : x
  2. Step 2: Convert to fraction form
    560,667.75/841,373.07 = 308,124.61/x
  3. Step 3: Cross multiply
    560,667.75x = 841,373.07 × 308,124.61
  4. Step 4: Simplify right side
    560,667.75x = 259,247,747,532.55
  5. Step 5: Solve for x
    x = 259,247,747,532.55/560,667.75
  6. Step 6: Final answer
    x = 462,391.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.