Home / 437,536.40-656,325.46-212,628.88

Finding the Fourth Proportional to 437,536.40, 656,325.46 and 212,628.88

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Solution

The fourth proportional to 437,536.40, 656,325.46 and 212,628.88 is: 318,953.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,536.40 : 656,325.46 = 212,628.88 : x
  2. Step 2: Convert to fraction form
    437,536.40/656,325.46 = 212,628.88/x
  3. Step 3: Cross multiply
    437,536.40x = 656,325.46 × 212,628.88
  4. Step 4: Simplify right side
    437,536.40x = 139,553,747,475.29
  5. Step 5: Solve for x
    x = 139,553,747,475.29/437,536.40
  6. Step 6: Final answer
    x = 318,953.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.