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Finding the Fourth Proportional to 563,516.16, 777,650.68 and 308,866.56

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Solution

The fourth proportional to 563,516.16, 777,650.68 and 308,866.56 is: 426,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,516.16 : 777,650.68 = 308,866.56 : x
  2. Step 2: Convert to fraction form
    563,516.16/777,650.68 = 308,866.56/x
  3. Step 3: Cross multiply
    563,516.16x = 777,650.68 × 308,866.56
  4. Step 4: Simplify right side
    563,516.16x = 240,190,290,413.26
  5. Step 5: Solve for x
    x = 240,190,290,413.26/563,516.16
  6. Step 6: Final answer
    x = 426,234.96

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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.