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Finding the Fourth Proportional to 524,353.56, 723,499.28 and 306,519.94

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Solution

The fourth proportional to 524,353.56, 723,499.28 and 306,519.94 is: 422,934.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,353.56 : 723,499.28 = 306,519.94 : x
  2. Step 2: Convert to fraction form
    524,353.56/723,499.28 = 306,519.94/x
  3. Step 3: Cross multiply
    524,353.56x = 723,499.28 × 306,519.94
  4. Step 4: Simplify right side
    524,353.56x = 221,766,955,895.64
  5. Step 5: Solve for x
    x = 221,766,955,895.64/524,353.56
  6. Step 6: Final answer
    x = 422,934.01

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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.