Home / 723,235.40-998,063.19-413,131.28

Finding the Fourth Proportional to 723,235.40, 998,063.19 and 413,131.28

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Solution

The fourth proportional to 723,235.40, 998,063.19 and 413,131.28 is: 570,120.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,235.40 : 998,063.19 = 413,131.28 : x
  2. Step 2: Convert to fraction form
    723,235.40/998,063.19 = 413,131.28/x
  3. Step 3: Cross multiply
    723,235.40x = 998,063.19 × 413,131.28
  4. Step 4: Simplify right side
    723,235.40x = 412,331,118,215.27
  5. Step 5: Solve for x
    x = 412,331,118,215.27/723,235.40
  6. Step 6: Final answer
    x = 570,120.21

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1.5x scale

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.