Home / 427,807.18-589,945.71-284,573.26

Finding the Fourth Proportional to 427,807.18, 589,945.71 and 284,573.26

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Solution

The fourth proportional to 427,807.18, 589,945.71 and 284,573.26 is: 392,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,807.18 : 589,945.71 = 284,573.26 : x
  2. Step 2: Convert to fraction form
    427,807.18/589,945.71 = 284,573.26/x
  3. Step 3: Cross multiply
    427,807.18x = 589,945.71 × 284,573.26
  4. Step 4: Simplify right side
    427,807.18x = 167,882,773,917.72
  5. Step 5: Solve for x
    x = 167,882,773,917.72/427,807.18
  6. Step 6: Final answer
    x = 392,426.27

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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.