Home / 960,021.80-1,440,032.70-328,956.20

Finding the Fourth Proportional to 960,021.80, 1,440,032.70 and 328,956.20

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Solution

The fourth proportional to 960,021.80, 1,440,032.70 and 328,956.20 is: 493,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,021.80 : 1,440,032.70 = 328,956.20 : x
  2. Step 2: Convert to fraction form
    960,021.80/1,440,032.70 = 328,956.20/x
  3. Step 3: Cross multiply
    960,021.80x = 1,440,032.70 × 328,956.20
  4. Step 4: Simplify right side
    960,021.80x = 473,707,684,867.74
  5. Step 5: Solve for x
    x = 473,707,684,867.74/960,021.80
  6. Step 6: Final answer
    x = 493,434.30

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.