Home / 572,622.31-859,039.03-188,392.76

Finding the Fourth Proportional to 572,622.31, 859,039.03 and 188,392.76

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Solution

The fourth proportional to 572,622.31, 859,039.03 and 188,392.76 is: 282,623.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,622.31 : 859,039.03 = 188,392.76 : x
  2. Step 2: Convert to fraction form
    572,622.31/859,039.03 = 188,392.76/x
  3. Step 3: Cross multiply
    572,622.31x = 859,039.03 × 188,392.76
  4. Step 4: Simplify right side
    572,622.31x = 161,836,729,514.23
  5. Step 5: Solve for x
    x = 161,836,729,514.23/572,622.31
  6. Step 6: Final answer
    x = 282,623.87

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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.