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Finding the Fourth Proportional to 615,010.28, 922,548.20 and 581,352.36

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Solution

The fourth proportional to 615,010.28, 922,548.20 and 581,352.36 is: 872,059.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,010.28 : 922,548.20 = 581,352.36 : x
  2. Step 2: Convert to fraction form
    615,010.28/922,548.20 = 581,352.36/x
  3. Step 3: Cross multiply
    615,010.28x = 922,548.20 × 581,352.36
  4. Step 4: Simplify right side
    615,010.28x = 536,325,573,283.75
  5. Step 5: Solve for x
    x = 536,325,573,283.75/615,010.28
  6. Step 6: Final answer
    x = 872,059.53

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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.