Home / 499,587.86-689,436.69-273,228.50

Finding the Fourth Proportional to 499,587.86, 689,436.69 and 273,228.50

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Solution

The fourth proportional to 499,587.86, 689,436.69 and 273,228.50 is: 377,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,587.86 : 689,436.69 = 273,228.50 : x
  2. Step 2: Convert to fraction form
    499,587.86/689,436.69 = 273,228.50/x
  3. Step 3: Cross multiply
    499,587.86x = 689,436.69 × 273,228.50
  4. Step 4: Simplify right side
    499,587.86x = 188,373,752,653.67
  5. Step 5: Solve for x
    x = 188,373,752,653.67/499,587.86
  6. Step 6: Final answer
    x = 377,058.31

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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.