Home / 779,910.78-1,169,907.68-247,473.48

Finding the Fourth Proportional to 779,910.78, 1,169,907.68 and 247,473.48

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Solution

The fourth proportional to 779,910.78, 1,169,907.68 and 247,473.48 is: 371,223.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,910.78 : 1,169,907.68 = 247,473.48 : x
  2. Step 2: Convert to fraction form
    779,910.78/1,169,907.68 = 247,473.48/x
  3. Step 3: Cross multiply
    779,910.78x = 1,169,907.68 × 247,473.48
  4. Step 4: Simplify right side
    779,910.78x = 289,521,124,848.33
  5. Step 5: Solve for x
    x = 289,521,124,848.33/779,910.78
  6. Step 6: Final answer
    x = 371,223.39

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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.