Home / 486,401.46-671,240.64-268,624.82

Finding the Fourth Proportional to 486,401.46, 671,240.64 and 268,624.82

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Solution

The fourth proportional to 486,401.46, 671,240.64 and 268,624.82 is: 370,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,401.46 : 671,240.64 = 268,624.82 : x
  2. Step 2: Convert to fraction form
    486,401.46/671,240.64 = 268,624.82/x
  3. Step 3: Cross multiply
    486,401.46x = 671,240.64 × 268,624.82
  4. Step 4: Simplify right side
    486,401.46x = 180,311,892,740.48
  5. Step 5: Solve for x
    x = 180,311,892,740.48/486,401.46
  6. Step 6: Final answer
    x = 370,705.91

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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.