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Finding the Fourth Proportional to 567,220.93, 782,754.84 and 309,100.15

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Solution

The fourth proportional to 567,220.93, 782,754.84 and 309,100.15 is: 426,552.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,220.93 : 782,754.84 = 309,100.15 : x
  2. Step 2: Convert to fraction form
    567,220.93/782,754.84 = 309,100.15/x
  3. Step 3: Cross multiply
    567,220.93x = 782,754.84 × 309,100.15
  4. Step 4: Simplify right side
    567,220.93x = 241,949,639,435.67
  5. Step 5: Solve for x
    x = 241,949,639,435.67/567,220.93
  6. Step 6: Final answer
    x = 426,552.74

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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.