Home / 960,028.20-1,440,042.30-328,847.40

Finding the Fourth Proportional to 960,028.20, 1,440,042.30 and 328,847.40

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Solution

The fourth proportional to 960,028.20, 1,440,042.30 and 328,847.40 is: 493,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,028.20 : 1,440,042.30 = 328,847.40 : x
  2. Step 2: Convert to fraction form
    960,028.20/1,440,042.30 = 328,847.40/x
  3. Step 3: Cross multiply
    960,028.20x = 1,440,042.30 × 328,847.40
  4. Step 4: Simplify right side
    960,028.20x = 473,554,166,245.02
  5. Step 5: Solve for x
    x = 473,554,166,245.02/960,028.20
  6. Step 6: Final answer
    x = 493,271.10

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1.5x scale

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.