Home / 825,382.69-1,238,423.96-450,968.29

Finding the Fourth Proportional to 825,382.69, 1,238,423.96 and 450,968.29

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Solution

The fourth proportional to 825,382.69, 1,238,423.96 and 450,968.29 is: 676,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,382.69 : 1,238,423.96 = 450,968.29 : x
  2. Step 2: Convert to fraction form
    825,382.69/1,238,423.96 = 450,968.29/x
  3. Step 3: Cross multiply
    825,382.69x = 1,238,423.96 × 450,968.29
  4. Step 4: Simplify right side
    825,382.69x = 558,489,933,281.39
  5. Step 5: Solve for x
    x = 558,489,933,281.39/825,382.69
  6. Step 6: Final answer
    x = 676,643.62

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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.