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Finding the Fourth Proportional to 524,038.80, 722,441.28 and 443,141.76

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Solution

The fourth proportional to 524,038.80, 722,441.28 and 443,141.76 is: 610,916.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,038.80 : 722,441.28 = 443,141.76 : x
  2. Step 2: Convert to fraction form
    524,038.80/722,441.28 = 443,141.76/x
  3. Step 3: Cross multiply
    524,038.80x = 722,441.28 × 443,141.76
  4. Step 4: Simplify right side
    524,038.80x = 320,143,900,315.85
  5. Step 5: Solve for x
    x = 320,143,900,315.85/524,038.80
  6. Step 6: Final answer
    x = 610,916.41

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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.