Home / 762,489.44-1,052,283.12-440,258.48

Finding the Fourth Proportional to 762,489.44, 1,052,283.12 and 440,258.48

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Solution

The fourth proportional to 762,489.44, 1,052,283.12 and 440,258.48 is: 607,584.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,489.44 : 1,052,283.12 = 440,258.48 : x
  2. Step 2: Convert to fraction form
    762,489.44/1,052,283.12 = 440,258.48/x
  3. Step 3: Cross multiply
    762,489.44x = 1,052,283.12 × 440,258.48
  4. Step 4: Simplify right side
    762,489.44x = 463,276,566,940.86
  5. Step 5: Solve for x
    x = 463,276,566,940.86/762,489.44
  6. Step 6: Final answer
    x = 607,584.24

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Double scale
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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.