Home / 851,262.79-1,276,616.37-282,491.11

Finding the Fourth Proportional to 851,262.79, 1,276,616.37 and 282,491.11

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Solution

The fourth proportional to 851,262.79, 1,276,616.37 and 282,491.11 is: 423,644.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,262.79 : 1,276,616.37 = 282,491.11 : x
  2. Step 2: Convert to fraction form
    851,262.79/1,276,616.37 = 282,491.11/x
  3. Step 3: Cross multiply
    851,262.79x = 1,276,616.37 × 282,491.11
  4. Step 4: Simplify right side
    851,262.79x = 360,632,771,880.35
  5. Step 5: Solve for x
    x = 360,632,771,880.35/851,262.79
  6. Step 6: Final answer
    x = 423,644.47

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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.