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Finding the Fourth Proportional to 652,395.33, 977,789.82 and 311,018.61

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Solution

The fourth proportional to 652,395.33, 977,789.82 and 311,018.61 is: 466,145.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,395.33 : 977,789.82 = 311,018.61 : x
  2. Step 2: Convert to fraction form
    652,395.33/977,789.82 = 311,018.61/x
  3. Step 3: Cross multiply
    652,395.33x = 977,789.82 × 311,018.61
  4. Step 4: Simplify right side
    652,395.33x = 304,110,830,688.55
  5. Step 5: Solve for x
    x = 304,110,830,688.55/652,395.33
  6. Step 6: Final answer
    x = 466,145.01

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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.