Home / 988,740.27-1,483,110.39-456,103.71

Finding the Fourth Proportional to 988,740.27, 1,483,110.39 and 456,103.71

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Solution

The fourth proportional to 988,740.27, 1,483,110.39 and 456,103.71 is: 684,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,740.27 : 1,483,110.39 = 456,103.71 : x
  2. Step 2: Convert to fraction form
    988,740.27/1,483,110.39 = 456,103.71/x
  3. Step 3: Cross multiply
    988,740.27x = 1,483,110.39 × 456,103.71
  4. Step 4: Simplify right side
    988,740.27x = 676,452,151,218.55
  5. Step 5: Solve for x
    x = 676,452,151,218.55/988,740.27
  6. Step 6: Final answer
    x = 684,155.56

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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.