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Finding the Fourth Proportional to 508,521.06, 701,763.21 and 282,170.34

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Solution

The fourth proportional to 508,521.06, 701,763.21 and 282,170.34 is: 389,397.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,521.06 : 701,763.21 = 282,170.34 : x
  2. Step 2: Convert to fraction form
    508,521.06/701,763.21 = 282,170.34/x
  3. Step 3: Cross multiply
    508,521.06x = 701,763.21 × 282,170.34
  4. Step 4: Simplify right side
    508,521.06x = 198,016,763,565.19
  5. Step 5: Solve for x
    x = 198,016,763,565.19/508,521.06
  6. Step 6: Final answer
    x = 389,397.37

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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.