Home / 427,305.75-589,658.08-233,675.25

Finding the Fourth Proportional to 427,305.75, 589,658.08 and 233,675.25

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Solution

The fourth proportional to 427,305.75, 589,658.08 and 233,675.25 is: 322,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,305.75 : 589,658.08 = 233,675.25 : x
  2. Step 2: Convert to fraction form
    427,305.75/589,658.08 = 233,675.25/x
  3. Step 3: Cross multiply
    427,305.75x = 589,658.08 × 233,675.25
  4. Step 4: Simplify right side
    427,305.75x = 137,788,496,901.26
  5. Step 5: Solve for x
    x = 137,788,496,901.26/427,305.75
  6. Step 6: Final answer
    x = 322,458.80

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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.