Home / 765,669.21-1,148,496.01-197,048.09

Finding the Fourth Proportional to 765,669.21, 1,148,496.01 and 197,048.09

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Solution

The fourth proportional to 765,669.21, 1,148,496.01 and 197,048.09 is: 295,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,669.21 : 1,148,496.01 = 197,048.09 : x
  2. Step 2: Convert to fraction form
    765,669.21/1,148,496.01 = 197,048.09/x
  3. Step 3: Cross multiply
    765,669.21x = 1,148,496.01 × 197,048.09
  4. Step 4: Simplify right side
    765,669.21x = 226,308,945,143.12
  5. Step 5: Solve for x
    x = 226,308,945,143.12/765,669.21
  6. Step 6: Final answer
    x = 295,570.13

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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.