Home / 405,509.32-559,679.52-244,387.36

Finding the Fourth Proportional to 405,509.32, 559,679.52 and 244,387.36

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Solution

The fourth proportional to 405,509.32, 559,679.52 and 244,387.36 is: 337,300.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,509.32 : 559,679.52 = 244,387.36 : x
  2. Step 2: Convert to fraction form
    405,509.32/559,679.52 = 244,387.36/x
  3. Step 3: Cross multiply
    405,509.32x = 559,679.52 × 244,387.36
  4. Step 4: Simplify right side
    405,509.32x = 136,778,600,338.87
  5. Step 5: Solve for x
    x = 136,778,600,338.87/405,509.32
  6. Step 6: Final answer
    x = 337,300.76

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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.