Home / 778,383.76-1,167,575.64-358,013.20

Finding the Fourth Proportional to 778,383.76, 1,167,575.64 and 358,013.20

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Solution

The fourth proportional to 778,383.76, 1,167,575.64 and 358,013.20 is: 537,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,383.76 : 1,167,575.64 = 358,013.20 : x
  2. Step 2: Convert to fraction form
    778,383.76/1,167,575.64 = 358,013.20/x
  3. Step 3: Cross multiply
    778,383.76x = 1,167,575.64 × 358,013.20
  4. Step 4: Simplify right side
    778,383.76x = 418,007,491,118.45
  5. Step 5: Solve for x
    x = 418,007,491,118.45/778,383.76
  6. Step 6: Final answer
    x = 537,019.80

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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.