Home / 766,434.25-1,057,628.66-460,328.75

Finding the Fourth Proportional to 766,434.25, 1,057,628.66 and 460,328.75

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Solution

The fourth proportional to 766,434.25, 1,057,628.66 and 460,328.75 is: 635,223.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,434.25 : 1,057,628.66 = 460,328.75 : x
  2. Step 2: Convert to fraction form
    766,434.25/1,057,628.66 = 460,328.75/x
  3. Step 3: Cross multiply
    766,434.25x = 1,057,628.66 × 460,328.75
  4. Step 4: Simplify right side
    766,434.25x = 486,856,871,432.19
  5. Step 5: Solve for x
    x = 486,856,871,432.19/766,434.25
  6. Step 6: Final answer
    x = 635,223.27

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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.