Home / 499,741.04-689,658.95-273,386.54

Finding the Fourth Proportional to 499,741.04, 689,658.95 and 273,386.54

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Solution

The fourth proportional to 499,741.04, 689,658.95 and 273,386.54 is: 377,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,741.04 : 689,658.95 = 273,386.54 : x
  2. Step 2: Convert to fraction form
    499,741.04/689,658.95 = 273,386.54/x
  3. Step 3: Cross multiply
    499,741.04x = 689,658.95 × 273,386.54
  4. Step 4: Simplify right side
    499,741.04x = 188,543,474,477.75
  5. Step 5: Solve for x
    x = 188,543,474,477.75/499,741.04
  6. Step 6: Final answer
    x = 377,282.35

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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.