Home / 380,381.20-524,607.12-244,437.28

Finding the Fourth Proportional to 380,381.20, 524,607.12 and 244,437.28

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Solution

The fourth proportional to 380,381.20, 524,607.12 and 244,437.28 is: 337,118.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,381.20 : 524,607.12 = 244,437.28 : x
  2. Step 2: Convert to fraction form
    380,381.20/524,607.12 = 244,437.28/x
  3. Step 3: Cross multiply
    380,381.20x = 524,607.12 × 244,437.28
  4. Step 4: Simplify right side
    380,381.20x = 128,233,537,481.43
  5. Step 5: Solve for x
    x = 128,233,537,481.43/380,381.20
  6. Step 6: Final answer
    x = 337,118.49

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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.