Home / 615,972.20-923,267.10-349,860.20

Finding the Fourth Proportional to 615,972.20, 923,267.10 and 349,860.20

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Solution

The fourth proportional to 615,972.20, 923,267.10 and 349,860.20 is: 524,397.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,972.20 : 923,267.10 = 349,860.20 : x
  2. Step 2: Convert to fraction form
    615,972.20/923,267.10 = 349,860.20/x
  3. Step 3: Cross multiply
    615,972.20x = 923,267.10 × 349,860.20
  4. Step 4: Simplify right side
    615,972.20x = 323,014,412,259.42
  5. Step 5: Solve for x
    x = 323,014,412,259.42/615,972.20
  6. Step 6: Final answer
    x = 524,397.71

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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.