Home / 776,591.62-1,072,027.09-522,090.42

Finding the Fourth Proportional to 776,591.62, 1,072,027.09 and 522,090.42

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Solution

The fourth proportional to 776,591.62, 1,072,027.09 and 522,090.42 is: 720,707.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,591.62 : 1,072,027.09 = 522,090.42 : x
  2. Step 2: Convert to fraction form
    776,591.62/1,072,027.09 = 522,090.42/x
  3. Step 3: Cross multiply
    776,591.62x = 1,072,027.09 × 522,090.42
  4. Step 4: Simplify right side
    776,591.62x = 559,695,073,669.48
  5. Step 5: Solve for x
    x = 559,695,073,669.48/776,591.62
  6. Step 6: Final answer
    x = 720,707.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.