Home / 988,808.40-1,483,455.60-278,827.20

Finding the Fourth Proportional to 988,808.40, 1,483,455.60 and 278,827.20

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Solution

The fourth proportional to 988,808.40, 1,483,455.60 and 278,827.20 is: 418,309.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,808.40 : 1,483,455.60 = 278,827.20 : x
  2. Step 2: Convert to fraction form
    988,808.40/1,483,455.60 = 278,827.20/x
  3. Step 3: Cross multiply
    988,808.40x = 1,483,455.60 × 278,827.20
  4. Step 4: Simplify right side
    988,808.40x = 413,627,771,272.32
  5. Step 5: Solve for x
    x = 413,627,771,272.32/988,808.40
  6. Step 6: Final answer
    x = 418,309.32

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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.