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Finding the Fourth Proportional to 486,763.37, 675,170.16 and 473,816.33

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Solution

The fourth proportional to 486,763.37, 675,170.16 and 473,816.33 is: 657,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,763.37 : 675,170.16 = 473,816.33 : x
  2. Step 2: Convert to fraction form
    486,763.37/675,170.16 = 473,816.33/x
  3. Step 3: Cross multiply
    486,763.37x = 675,170.16 × 473,816.33
  4. Step 4: Simplify right side
    486,763.37x = 319,906,643,960.86
  5. Step 5: Solve for x
    x = 319,906,643,960.86/486,763.37
  6. Step 6: Final answer
    x = 657,211.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.