Home / 988,311.34-1,482,479.99-268,688.56

Finding the Fourth Proportional to 988,311.34, 1,482,479.99 and 268,688.56

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Solution

The fourth proportional to 988,311.34, 1,482,479.99 and 268,688.56 is: 403,036.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,311.34 : 1,482,479.99 = 268,688.56 : x
  2. Step 2: Convert to fraction form
    988,311.34/1,482,479.99 = 268,688.56/x
  3. Step 3: Cross multiply
    988,311.34x = 1,482,479.99 × 268,688.56
  4. Step 4: Simplify right side
    988,311.34x = 398,325,406,329.51
  5. Step 5: Solve for x
    x = 398,325,406,329.51/988,311.34
  6. Step 6: Final answer
    x = 403,036.36

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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.