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Finding the Fourth Proportional to 600,165.48, 899,780.70 and 300,491.76

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Solution

The fourth proportional to 600,165.48, 899,780.70 and 300,491.76 is: 450,503.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,165.48 : 899,780.70 = 300,491.76 : x
  2. Step 2: Convert to fraction form
    600,165.48/899,780.70 = 300,491.76/x
  3. Step 3: Cross multiply
    600,165.48x = 899,780.70 × 300,491.76
  4. Step 4: Simplify right side
    600,165.48x = 270,376,686,157.03
  5. Step 5: Solve for x
    x = 270,376,686,157.03/600,165.48
  6. Step 6: Final answer
    x = 450,503.56

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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.