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Finding the Fourth Proportional to 524,040.80, 722,444.04 and 443,143.76

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Solution

The fourth proportional to 524,040.80, 722,444.04 and 443,143.76 is: 610,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,040.80 : 722,444.04 = 443,143.76 : x
  2. Step 2: Convert to fraction form
    524,040.80/722,444.04 = 443,143.76/x
  3. Step 3: Cross multiply
    524,040.80x = 722,444.04 × 443,143.76
  4. Step 4: Simplify right side
    524,040.80x = 320,146,568,275.19
  5. Step 5: Solve for x
    x = 320,146,568,275.19/524,040.80
  6. Step 6: Final answer
    x = 610,919.17

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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.