Home / 615,939.20-923,217.60-349,827.20

Finding the Fourth Proportional to 615,939.20, 923,217.60 and 349,827.20

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Solution

The fourth proportional to 615,939.20, 923,217.60 and 349,827.20 is: 524,348.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,939.20 : 923,217.60 = 349,827.20 : x
  2. Step 2: Convert to fraction form
    615,939.20/923,217.60 = 349,827.20/x
  3. Step 3: Cross multiply
    615,939.20x = 923,217.60 × 349,827.20
  4. Step 4: Simplify right side
    615,939.20x = 322,966,627,998.72
  5. Step 5: Solve for x
    x = 322,966,627,998.72/615,939.20
  6. Step 6: Final answer
    x = 524,348.23

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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.