Home / 754,353.63-1,040,753.23-427,631.60

Finding the Fourth Proportional to 754,353.63, 1,040,753.23 and 427,631.60

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Solution

The fourth proportional to 754,353.63, 1,040,753.23 and 427,631.60 is: 589,987.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,353.63 : 1,040,753.23 = 427,631.60 : x
  2. Step 2: Convert to fraction form
    754,353.63/1,040,753.23 = 427,631.60/x
  3. Step 3: Cross multiply
    754,353.63x = 1,040,753.23 × 427,631.60
  4. Step 4: Simplify right side
    754,353.63x = 445,058,970,482.87
  5. Step 5: Solve for x
    x = 445,058,970,482.87/754,353.63
  6. Step 6: Final answer
    x = 589,987.18

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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.