Home / 638,924.14-958,284.60-212,424.52

Finding the Fourth Proportional to 638,924.14, 958,284.60 and 212,424.52

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Solution

The fourth proportional to 638,924.14, 958,284.60 and 212,424.52 is: 318,603.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,924.14 : 958,284.60 = 212,424.52 : x
  2. Step 2: Convert to fraction form
    638,924.14/958,284.60 = 212,424.52/x
  3. Step 3: Cross multiply
    638,924.14x = 958,284.60 × 212,424.52
  4. Step 4: Simplify right side
    638,924.14x = 203,563,146,178.39
  5. Step 5: Solve for x
    x = 203,563,146,178.39/638,924.14
  6. Step 6: Final answer
    x = 318,603.00

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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.