Home / 960,054.20-1,440,081.30-328,873.40

Finding the Fourth Proportional to 960,054.20, 1,440,081.30 and 328,873.40

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Solution

The fourth proportional to 960,054.20, 1,440,081.30 and 328,873.40 is: 493,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,054.20 : 1,440,081.30 = 328,873.40 : x
  2. Step 2: Convert to fraction form
    960,054.20/1,440,081.30 = 328,873.40/x
  3. Step 3: Cross multiply
    960,054.20x = 1,440,081.30 × 328,873.40
  4. Step 4: Simplify right side
    960,054.20x = 473,604,433,407.42
  5. Step 5: Solve for x
    x = 473,604,433,407.42/960,054.20
  6. Step 6: Final answer
    x = 493,310.10

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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.