Home / 779,947.96-1,169,174.56-330,049.94

Finding the Fourth Proportional to 779,947.96, 1,169,174.56 and 330,049.94

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Solution

The fourth proportional to 779,947.96, 1,169,174.56 and 330,049.94 is: 494,758.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,947.96 : 1,169,174.56 = 330,049.94 : x
  2. Step 2: Convert to fraction form
    779,947.96/1,169,174.56 = 330,049.94/x
  3. Step 3: Cross multiply
    779,947.96x = 1,169,174.56 × 330,049.94
  4. Step 4: Simplify right side
    779,947.96x = 385,885,985,881.40
  5. Step 5: Solve for x
    x = 385,885,985,881.40/779,947.96
  6. Step 6: Final answer
    x = 494,758.64

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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.