Home / 988,881.28-1,482,830.72-314,874.60

Finding the Fourth Proportional to 988,881.28, 1,482,830.72 and 314,874.60

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Solution

The fourth proportional to 988,881.28, 1,482,830.72 and 314,874.60 is: 472,155.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,881.28 : 1,482,830.72 = 314,874.60 : x
  2. Step 2: Convert to fraction form
    988,881.28/1,482,830.72 = 314,874.60/x
  3. Step 3: Cross multiply
    988,881.28x = 1,482,830.72 × 314,874.60
  4. Step 4: Simplify right side
    988,881.28x = 466,905,729,827.71
  5. Step 5: Solve for x
    x = 466,905,729,827.71/988,881.28
  6. Step 6: Final answer
    x = 472,155.49

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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.