Home / 988,928.09-1,482,901.43-314,921.55

Finding the Fourth Proportional to 988,928.09, 1,482,901.43 and 314,921.55

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Solution

The fourth proportional to 988,928.09, 1,482,901.43 and 314,921.55 is: 472,226.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,928.09 : 1,482,901.43 = 314,921.55 : x
  2. Step 2: Convert to fraction form
    988,928.09/1,482,901.43 = 314,921.55/x
  3. Step 3: Cross multiply
    988,928.09x = 1,482,901.43 × 314,921.55
  4. Step 4: Simplify right side
    988,928.09x = 466,997,615,258.21
  5. Step 5: Solve for x
    x = 466,997,615,258.21/988,928.09
  6. Step 6: Final answer
    x = 472,226.06

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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.