Home / 876,097.94-1,208,786.69-513,326.88

Finding the Fourth Proportional to 876,097.94, 1,208,786.69 and 513,326.88

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Solution

The fourth proportional to 876,097.94, 1,208,786.69 and 513,326.88 is: 708,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,097.94 : 1,208,786.69 = 513,326.88 : x
  2. Step 2: Convert to fraction form
    876,097.94/1,208,786.69 = 513,326.88/x
  3. Step 3: Cross multiply
    876,097.94x = 1,208,786.69 × 513,326.88
  4. Step 4: Simplify right side
    876,097.94x = 620,502,697,596.59
  5. Step 5: Solve for x
    x = 620,502,697,596.59/876,097.94
  6. Step 6: Final answer
    x = 708,257.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.