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Finding the Fourth Proportional to 475,361.58, 712,562.52 and 297,993.18

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Solution

The fourth proportional to 475,361.58, 712,562.52 and 297,993.18 is: 446,688.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,361.58 : 712,562.52 = 297,993.18 : x
  2. Step 2: Convert to fraction form
    475,361.58/712,562.52 = 297,993.18/x
  3. Step 3: Cross multiply
    475,361.58x = 712,562.52 × 297,993.18
  4. Step 4: Simplify right side
    475,361.58x = 212,338,771,283.61
  5. Step 5: Solve for x
    x = 212,338,771,283.61/475,361.58
  6. Step 6: Final answer
    x = 446,688.96

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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.