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Finding the Fourth Proportional to 586,682.70, 875,625.64 and 548,375.67

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Solution

The fourth proportional to 586,682.70, 875,625.64 and 548,375.67 is: 818,452.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,682.70 : 875,625.64 = 548,375.67 : x
  2. Step 2: Convert to fraction form
    586,682.70/875,625.64 = 548,375.67/x
  3. Step 3: Cross multiply
    586,682.70x = 875,625.64 × 548,375.67
  4. Step 4: Simplify right side
    586,682.70x = 480,171,798,717.85
  5. Step 5: Solve for x
    x = 480,171,798,717.85/586,682.70
  6. Step 6: Final answer
    x = 818,452.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.