Home / 779,921.28-1,169,878.84-247,483.82

Finding the Fourth Proportional to 779,921.28, 1,169,878.84 and 247,483.82

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Solution

The fourth proportional to 779,921.28, 1,169,878.84 and 247,483.82 is: 371,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,921.28 : 1,169,878.84 = 247,483.82 : x
  2. Step 2: Convert to fraction form
    779,921.28/1,169,878.84 = 247,483.82/x
  3. Step 3: Cross multiply
    779,921.28x = 1,169,878.84 × 247,483.82
  4. Step 4: Simplify right side
    779,921.28x = 289,526,086,566.36
  5. Step 5: Solve for x
    x = 289,526,086,566.36/779,921.28
  6. Step 6: Final answer
    x = 371,224.76

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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.