Home / 767,725.60-1,151,242.80-346,784.80

Finding the Fourth Proportional to 767,725.60, 1,151,242.80 and 346,784.80

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Solution

The fourth proportional to 767,725.60, 1,151,242.80 and 346,784.80 is: 520,021.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,725.60 : 1,151,242.80 = 346,784.80 : x
  2. Step 2: Convert to fraction form
    767,725.60/1,151,242.80 = 346,784.80/x
  3. Step 3: Cross multiply
    767,725.60x = 1,151,242.80 × 346,784.80
  4. Step 4: Simplify right side
    767,725.60x = 399,233,504,149.44
  5. Step 5: Solve for x
    x = 399,233,504,149.44/767,725.60
  6. Step 6: Final answer
    x = 520,021.09

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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.