Home / 786,094.80-1,179,660.60-287,458.80

Finding the Fourth Proportional to 786,094.80, 1,179,660.60 and 287,458.80

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Solution

The fourth proportional to 786,094.80, 1,179,660.60 and 287,458.80 is: 431,377.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,094.80 : 1,179,660.60 = 287,458.80 : x
  2. Step 2: Convert to fraction form
    786,094.80/1,179,660.60 = 287,458.80/x
  3. Step 3: Cross multiply
    786,094.80x = 1,179,660.60 × 287,458.80
  4. Step 4: Simplify right side
    786,094.80x = 339,103,820,483.28
  5. Step 5: Solve for x
    x = 339,103,820,483.28/786,094.80
  6. Step 6: Final answer
    x = 431,377.77

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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.