Home / 779,936.03-1,169,156.66-330,037.92

Finding the Fourth Proportional to 779,936.03, 1,169,156.66 and 330,037.92

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Solution

The fourth proportional to 779,936.03, 1,169,156.66 and 330,037.92 is: 494,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,936.03 : 1,169,156.66 = 330,037.92 : x
  2. Step 2: Convert to fraction form
    779,936.03/1,169,156.66 = 330,037.92/x
  3. Step 3: Cross multiply
    779,936.03x = 1,169,156.66 × 330,037.92
  4. Step 4: Simplify right side
    779,936.03x = 385,866,030,570.36
  5. Step 5: Solve for x
    x = 385,866,030,570.36/779,936.03
  6. Step 6: Final answer
    x = 494,740.62

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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.