Home / 878,619.99-1,317,959.01-302,237.49

Finding the Fourth Proportional to 878,619.99, 1,317,959.01 and 302,237.49

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Solution

The fourth proportional to 878,619.99, 1,317,959.01 and 302,237.49 is: 453,366.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,619.99 : 1,317,959.01 = 302,237.49 : x
  2. Step 2: Convert to fraction form
    878,619.99/1,317,959.01 = 302,237.49/x
  3. Step 3: Cross multiply
    878,619.99x = 1,317,959.01 × 302,237.49
  4. Step 4: Simplify right side
    878,619.99x = 398,336,623,105.29
  5. Step 5: Solve for x
    x = 398,336,623,105.29/878,619.99
  6. Step 6: Final answer
    x = 453,366.22

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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.