Home / 988,854.21-1,482,790.59-314,847.71

Finding the Fourth Proportional to 988,854.21, 1,482,790.59 and 314,847.71

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Solution

The fourth proportional to 988,854.21, 1,482,790.59 and 314,847.71 is: 472,115.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,854.21 : 1,482,790.59 = 314,847.71 : x
  2. Step 2: Convert to fraction form
    988,854.21/1,482,790.59 = 314,847.71/x
  3. Step 3: Cross multiply
    988,854.21x = 1,482,790.59 × 314,847.71
  4. Step 4: Simplify right side
    988,854.21x = 466,853,219,817.56
  5. Step 5: Solve for x
    x = 466,853,219,817.56/988,854.21
  6. Step 6: Final answer
    x = 472,115.32

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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.