Home / 754,354.63-1,040,754.61-427,632.60

Finding the Fourth Proportional to 754,354.63, 1,040,754.61 and 427,632.60

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Solution

The fourth proportional to 754,354.63, 1,040,754.61 and 427,632.60 is: 589,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,354.63 : 1,040,754.61 = 427,632.60 : x
  2. Step 2: Convert to fraction form
    754,354.63/1,040,754.61 = 427,632.60/x
  3. Step 3: Cross multiply
    754,354.63x = 1,040,754.61 × 427,632.60
  4. Step 4: Simplify right side
    754,354.63x = 445,060,599,836.29
  5. Step 5: Solve for x
    x = 445,060,599,836.29/754,354.63
  6. Step 6: Final answer
    x = 589,988.56

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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.