Home / 779,890.78-1,169,877.68-247,453.48

Finding the Fourth Proportional to 779,890.78, 1,169,877.68 and 247,453.48

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Solution

The fourth proportional to 779,890.78, 1,169,877.68 and 247,453.48 is: 371,193.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,890.78 : 1,169,877.68 = 247,453.48 : x
  2. Step 2: Convert to fraction form
    779,890.78/1,169,877.68 = 247,453.48/x
  3. Step 3: Cross multiply
    779,890.78x = 1,169,877.68 × 247,453.48
  4. Step 4: Simplify right side
    779,890.78x = 289,490,296,003.67
  5. Step 5: Solve for x
    x = 289,490,296,003.67/779,890.78
  6. Step 6: Final answer
    x = 371,193.38

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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.