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Finding the Fourth Proportional to 462,395.88, 637,825.86 and 318,902.76

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Solution

The fourth proportional to 462,395.88, 637,825.86 and 318,902.76 is: 439,892.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,395.88 : 637,825.86 = 318,902.76 : x
  2. Step 2: Convert to fraction form
    462,395.88/637,825.86 = 318,902.76/x
  3. Step 3: Cross multiply
    462,395.88x = 637,825.86 × 318,902.76
  4. Step 4: Simplify right side
    462,395.88x = 203,404,427,153.37
  5. Step 5: Solve for x
    x = 203,404,427,153.37/462,395.88
  6. Step 6: Final answer
    x = 439,892.39

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1.5x scale

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.