Home / 427,218.12-589,816.83-266,291.15

Finding the Fourth Proportional to 427,218.12, 589,816.83 and 266,291.15

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Solution

The fourth proportional to 427,218.12, 589,816.83 and 266,291.15 is: 367,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,218.12 : 589,816.83 = 266,291.15 : x
  2. Step 2: Convert to fraction form
    427,218.12/589,816.83 = 266,291.15/x
  3. Step 3: Cross multiply
    427,218.12x = 589,816.83 × 266,291.15
  4. Step 4: Simplify right side
    427,218.12x = 157,063,001,950.06
  5. Step 5: Solve for x
    x = 157,063,001,950.06/427,218.12
  6. Step 6: Final answer
    x = 367,641.25

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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.