Home / 988,455.84-1,482,667.36-314,577.92

Finding the Fourth Proportional to 988,455.84, 1,482,667.36 and 314,577.92

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Solution

The fourth proportional to 988,455.84, 1,482,667.36 and 314,577.92 is: 471,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,455.84 : 1,482,667.36 = 314,577.92 : x
  2. Step 2: Convert to fraction form
    988,455.84/1,482,667.36 = 314,577.92/x
  3. Step 3: Cross multiply
    988,455.84x = 1,482,667.36 × 314,577.92
  4. Step 4: Simplify right side
    988,455.84x = 466,414,414,160.69
  5. Step 5: Solve for x
    x = 466,414,414,160.69/988,455.84
  6. Step 6: Final answer
    x = 471,861.66

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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.