Home / 779,937.53-1,169,158.90-330,039.42

Finding the Fourth Proportional to 779,937.53, 1,169,158.90 and 330,039.42

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Solution

The fourth proportional to 779,937.53, 1,169,158.90 and 330,039.42 is: 494,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,937.53 : 1,169,158.90 = 330,039.42 : x
  2. Step 2: Convert to fraction form
    779,937.53/1,169,158.90 = 330,039.42/x
  3. Step 3: Cross multiply
    779,937.53x = 1,169,158.90 × 330,039.42
  4. Step 4: Simplify right side
    779,937.53x = 385,868,525,243.84
  5. Step 5: Solve for x
    x = 385,868,525,243.84/779,937.53
  6. Step 6: Final answer
    x = 494,742.86

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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.