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Finding the Fourth Proportional to 522,004.20, 783,114.30 and 297,472.20

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Solution

The fourth proportional to 522,004.20, 783,114.30 and 297,472.20 is: 446,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,004.20 : 783,114.30 = 297,472.20 : x
  2. Step 2: Convert to fraction form
    522,004.20/783,114.30 = 297,472.20/x
  3. Step 3: Cross multiply
    522,004.20x = 783,114.30 × 297,472.20
  4. Step 4: Simplify right side
    522,004.20x = 232,954,733,672.46
  5. Step 5: Solve for x
    x = 232,954,733,672.46/522,004.20
  6. Step 6: Final answer
    x = 446,269.85

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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.