Home / 779,628.69-1,169,519.64-324,125.85

Finding the Fourth Proportional to 779,628.69, 1,169,519.64 and 324,125.85

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Solution

The fourth proportional to 779,628.69, 1,169,519.64 and 324,125.85 is: 486,220.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,628.69 : 1,169,519.64 = 324,125.85 : x
  2. Step 2: Convert to fraction form
    779,628.69/1,169,519.64 = 324,125.85/x
  3. Step 3: Cross multiply
    779,628.69x = 1,169,519.64 × 324,125.85
  4. Step 4: Simplify right side
    779,628.69x = 379,071,547,406.69
  5. Step 5: Solve for x
    x = 379,071,547,406.69/779,628.69
  6. Step 6: Final answer
    x = 486,220.62

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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.