Home / 988,803.49-1,483,207.66-278,835.25

Finding the Fourth Proportional to 988,803.49, 1,483,207.66 and 278,835.25

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Solution

The fourth proportional to 988,803.49, 1,483,207.66 and 278,835.25 is: 418,253.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,803.49 : 1,483,207.66 = 278,835.25 : x
  2. Step 2: Convert to fraction form
    988,803.49/1,483,207.66 = 278,835.25/x
  3. Step 3: Cross multiply
    988,803.49x = 1,483,207.66 × 278,835.25
  4. Step 4: Simplify right side
    988,803.49x = 413,570,578,678.02
  5. Step 5: Solve for x
    x = 413,570,578,678.02/988,803.49
  6. Step 6: Final answer
    x = 418,253.56

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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.