Home / 988,913.96-1,482,880.22-314,907.45

Finding the Fourth Proportional to 988,913.96, 1,482,880.22 and 314,907.45

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Solution

The fourth proportional to 988,913.96, 1,482,880.22 and 314,907.45 is: 472,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,913.96 : 1,482,880.22 = 314,907.45 : x
  2. Step 2: Convert to fraction form
    988,913.96/1,482,880.22 = 314,907.45/x
  3. Step 3: Cross multiply
    988,913.96x = 1,482,880.22 × 314,907.45
  4. Step 4: Simplify right side
    988,913.96x = 466,970,028,735.64
  5. Step 5: Solve for x
    x = 466,970,028,735.64/988,913.96
  6. Step 6: Final answer
    x = 472,204.91

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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.