Home / 988,875.60-1,483,313.40-278,894.40

Finding the Fourth Proportional to 988,875.60, 1,483,313.40 and 278,894.40

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Solution

The fourth proportional to 988,875.60, 1,483,313.40 and 278,894.40 is: 418,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,875.60 : 1,483,313.40 = 278,894.40 : x
  2. Step 2: Convert to fraction form
    988,875.60/1,483,313.40 = 278,894.40/x
  3. Step 3: Cross multiply
    988,875.60x = 1,483,313.40 × 278,894.40
  4. Step 4: Simplify right side
    988,875.60x = 413,687,800,704.96
  5. Step 5: Solve for x
    x = 413,687,800,704.96/988,875.60
  6. Step 6: Final answer
    x = 418,341.60

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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.