Home / 762,431.36-1,052,150.99-418,258.49

Finding the Fourth Proportional to 762,431.36, 1,052,150.99 and 418,258.49

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Solution

The fourth proportional to 762,431.36, 1,052,150.99 and 418,258.49 is: 577,194.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,431.36 : 1,052,150.99 = 418,258.49 : x
  2. Step 2: Convert to fraction form
    762,431.36/1,052,150.99 = 418,258.49/x
  3. Step 3: Cross multiply
    762,431.36x = 1,052,150.99 × 418,258.49
  4. Step 4: Simplify right side
    762,431.36x = 440,071,076,977.36
  5. Step 5: Solve for x
    x = 440,071,076,977.36/762,431.36
  6. Step 6: Final answer
    x = 577,194.36

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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.