Home / 484,427.03-668,465.85-280,491.72

Finding the Fourth Proportional to 484,427.03, 668,465.85 and 280,491.72

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Solution

The fourth proportional to 484,427.03, 668,465.85 and 280,491.72 is: 387,053.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,427.03 : 668,465.85 = 280,491.72 : x
  2. Step 2: Convert to fraction form
    484,427.03/668,465.85 = 280,491.72/x
  3. Step 3: Cross multiply
    484,427.03x = 668,465.85 × 280,491.72
  4. Step 4: Simplify right side
    484,427.03x = 187,499,135,444.69
  5. Step 5: Solve for x
    x = 187,499,135,444.69/484,427.03
  6. Step 6: Final answer
    x = 387,053.41

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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.