Home / 762,626.73-1,052,424.48-418,464.87

Finding the Fourth Proportional to 762,626.73, 1,052,424.48 and 418,464.87

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Solution

The fourth proportional to 762,626.73, 1,052,424.48 and 418,464.87 is: 577,481.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,626.73 : 1,052,424.48 = 418,464.87 : x
  2. Step 2: Convert to fraction form
    762,626.73/1,052,424.48 = 418,464.87/x
  3. Step 3: Cross multiply
    762,626.73x = 1,052,424.48 × 418,464.87
  4. Step 4: Simplify right side
    762,626.73x = 440,402,673,208.02
  5. Step 5: Solve for x
    x = 440,402,673,208.02/762,626.73
  6. Step 6: Final answer
    x = 577,481.30

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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.