Home / 702,631.57-969,575.09-396,782.36

Finding the Fourth Proportional to 702,631.57, 969,575.09 and 396,782.36

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Solution

The fourth proportional to 702,631.57, 969,575.09 and 396,782.36 is: 547,527.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,631.57 : 969,575.09 = 396,782.36 : x
  2. Step 2: Convert to fraction form
    702,631.57/969,575.09 = 396,782.36/x
  3. Step 3: Cross multiply
    702,631.57x = 969,575.09 × 396,782.36
  4. Step 4: Simplify right side
    702,631.57x = 384,710,292,407.41
  5. Step 5: Solve for x
    x = 384,710,292,407.41/702,631.57
  6. Step 6: Final answer
    x = 547,527.76

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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.