Home / 786,371.04-1,179,559.60-239,268.80

Finding the Fourth Proportional to 786,371.04, 1,179,559.60 and 239,268.80

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Solution

The fourth proportional to 786,371.04, 1,179,559.60 and 239,268.80 is: 358,904.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,371.04 : 1,179,559.60 = 239,268.80 : x
  2. Step 2: Convert to fraction form
    786,371.04/1,179,559.60 = 239,268.80/x
  3. Step 3: Cross multiply
    786,371.04x = 1,179,559.60 × 239,268.80
  4. Step 4: Simplify right side
    786,371.04x = 282,231,812,371.21
  5. Step 5: Solve for x
    x = 282,231,812,371.21/786,371.04
  6. Step 6: Final answer
    x = 358,904.13

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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.