Home / 779,447.36-1,169,205.06-247,007.68

Finding the Fourth Proportional to 779,447.36, 1,169,205.06 and 247,007.68

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Solution

The fourth proportional to 779,447.36, 1,169,205.06 and 247,007.68 is: 370,522.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,447.36 : 1,169,205.06 = 247,007.68 : x
  2. Step 2: Convert to fraction form
    779,447.36/1,169,205.06 = 247,007.68/x
  3. Step 3: Cross multiply
    779,447.36x = 1,169,205.06 × 247,007.68
  4. Step 4: Simplify right side
    779,447.36x = 288,802,629,314.86
  5. Step 5: Solve for x
    x = 288,802,629,314.86/779,447.36
  6. Step 6: Final answer
    x = 370,522.30

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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.