Home / 988,277.20-1,482,415.80-323,496.40

Finding the Fourth Proportional to 988,277.20, 1,482,415.80 and 323,496.40

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Solution

The fourth proportional to 988,277.20, 1,482,415.80 and 323,496.40 is: 485,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,277.20 : 1,482,415.80 = 323,496.40 : x
  2. Step 2: Convert to fraction form
    988,277.20/1,482,415.80 = 323,496.40/x
  3. Step 3: Cross multiply
    988,277.20x = 1,482,415.80 × 323,496.40
  4. Step 4: Simplify right side
    988,277.20x = 479,556,174,603.12
  5. Step 5: Solve for x
    x = 479,556,174,603.12/988,277.20
  6. Step 6: Final answer
    x = 485,244.60

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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.