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Finding the Fourth Proportional to 501,631.68, 752,004.60 and 383,828.88

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Solution

The fourth proportional to 501,631.68, 752,004.60 and 383,828.88 is: 575,404.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,631.68 : 752,004.60 = 383,828.88 : x
  2. Step 2: Convert to fraction form
    501,631.68/752,004.60 = 383,828.88/x
  3. Step 3: Cross multiply
    501,631.68x = 752,004.60 × 383,828.88
  4. Step 4: Simplify right side
    501,631.68x = 288,641,083,372.85
  5. Step 5: Solve for x
    x = 288,641,083,372.85/501,631.68
  6. Step 6: Final answer
    x = 575,404.41

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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.