Home / 625,011.48-862,532.82-383,427.36

Finding the Fourth Proportional to 625,011.48, 862,532.82 and 383,427.36

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Solution

The fourth proportional to 625,011.48, 862,532.82 and 383,427.36 is: 529,140.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,011.48 : 862,532.82 = 383,427.36 : x
  2. Step 2: Convert to fraction form
    625,011.48/862,532.82 = 383,427.36/x
  3. Step 3: Cross multiply
    625,011.48x = 862,532.82 × 383,427.36
  4. Step 4: Simplify right side
    625,011.48x = 330,718,682,085.96
  5. Step 5: Solve for x
    x = 330,718,682,085.96/625,011.48
  6. Step 6: Final answer
    x = 529,140.17

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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.