Home / 427,320.80-589,684.92-233,725.40

Finding the Fourth Proportional to 427,320.80, 589,684.92 and 233,725.40

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Solution

The fourth proportional to 427,320.80, 589,684.92 and 233,725.40 is: 322,531.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,320.80 : 589,684.92 = 233,725.40 : x
  2. Step 2: Convert to fraction form
    427,320.80/589,684.92 = 233,725.40/x
  3. Step 3: Cross multiply
    427,320.80x = 589,684.92 × 233,725.40
  4. Step 4: Simplify right side
    427,320.80x = 137,824,343,800.97
  5. Step 5: Solve for x
    x = 137,824,343,800.97/427,320.80
  6. Step 6: Final answer
    x = 322,531.32

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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.