Home / 960,045.20-1,440,067.80-328,864.40

Finding the Fourth Proportional to 960,045.20, 1,440,067.80 and 328,864.40

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Solution

The fourth proportional to 960,045.20, 1,440,067.80 and 328,864.40 is: 493,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,045.20 : 1,440,067.80 = 328,864.40 : x
  2. Step 2: Convert to fraction form
    960,045.20/1,440,067.80 = 328,864.40/x
  3. Step 3: Cross multiply
    960,045.20x = 1,440,067.80 × 328,864.40
  4. Step 4: Simplify right side
    960,045.20x = 473,587,033,006.32
  5. Step 5: Solve for x
    x = 473,587,033,006.32/960,045.20
  6. Step 6: Final answer
    x = 493,296.60

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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.