Home / 779,636.13-1,169,920.75-336,404.13

Finding the Fourth Proportional to 779,636.13, 1,169,920.75 and 336,404.13

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Solution

The fourth proportional to 779,636.13, 1,169,920.75 and 336,404.13 is: 504,807.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,636.13 : 1,169,920.75 = 336,404.13 : x
  2. Step 2: Convert to fraction form
    779,636.13/1,169,920.75 = 336,404.13/x
  3. Step 3: Cross multiply
    779,636.13x = 1,169,920.75 × 336,404.13
  4. Step 4: Simplify right side
    779,636.13x = 393,566,172,072.70
  5. Step 5: Solve for x
    x = 393,566,172,072.70/779,636.13
  6. Step 6: Final answer
    x = 504,807.51

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1.5x scale

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.