Home / 778,851.80-1,168,933.80-305,876.60

Finding the Fourth Proportional to 778,851.80, 1,168,933.80 and 305,876.60

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Solution

The fourth proportional to 778,851.80, 1,168,933.80 and 305,876.60 is: 459,072.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,851.80 : 1,168,933.80 = 305,876.60 : x
  2. Step 2: Convert to fraction form
    778,851.80/1,168,933.80 = 305,876.60/x
  3. Step 3: Cross multiply
    778,851.80x = 1,168,933.80 × 305,876.60
  4. Step 4: Simplify right side
    778,851.80x = 357,549,496,369.08
  5. Step 5: Solve for x
    x = 357,549,496,369.08/778,851.80
  6. Step 6: Final answer
    x = 459,072.57

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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.