Home / 754,176.96-1,040,742.51-427,520.16

Finding the Fourth Proportional to 754,176.96, 1,040,742.51 and 427,520.16

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Solution

The fourth proportional to 754,176.96, 1,040,742.51 and 427,520.16 is: 589,965.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,176.96 : 1,040,742.51 = 427,520.16 : x
  2. Step 2: Convert to fraction form
    754,176.96/1,040,742.51 = 427,520.16/x
  3. Step 3: Cross multiply
    754,176.96x = 1,040,742.51 × 427,520.16
  4. Step 4: Simplify right side
    754,176.96x = 444,938,404,394.00
  5. Step 5: Solve for x
    x = 444,938,404,394.00/754,176.96
  6. Step 6: Final answer
    x = 589,965.52

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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.