Home / 969,521.37-1,451,547.90-513,078.75

Finding the Fourth Proportional to 969,521.37, 1,451,547.90 and 513,078.75

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Solution

The fourth proportional to 969,521.37, 1,451,547.90 and 513,078.75 is: 768,171.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,521.37 : 1,451,547.90 = 513,078.75 : x
  2. Step 2: Convert to fraction form
    969,521.37/1,451,547.90 = 513,078.75/x
  3. Step 3: Cross multiply
    969,521.37x = 1,451,547.90 × 513,078.75
  4. Step 4: Simplify right side
    969,521.37x = 744,758,382,097.13
  5. Step 5: Solve for x
    x = 744,758,382,097.13/969,521.37
  6. Step 6: Final answer
    x = 768,171.19

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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.