Home / 484,719.00-668,739.07-280,658.53

Finding the Fourth Proportional to 484,719.00, 668,739.07 and 280,658.53

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Solution

The fourth proportional to 484,719.00, 668,739.07 and 280,658.53 is: 387,208.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,719.00 : 668,739.07 = 280,658.53 : x
  2. Step 2: Convert to fraction form
    484,719.00/668,739.07 = 280,658.53/x
  3. Step 3: Cross multiply
    484,719.00x = 668,739.07 × 280,658.53
  4. Step 4: Simplify right side
    484,719.00x = 187,687,325,526.51
  5. Step 5: Solve for x
    x = 187,687,325,526.51/484,719.00
  6. Step 6: Final answer
    x = 387,208.52

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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.