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Finding the Fourth Proportional to 600,412.80, 900,328.32 and 245,285.76

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Solution

The fourth proportional to 600,412.80, 900,328.32 and 245,285.76 is: 367,809.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,412.80 : 900,328.32 = 245,285.76 : x
  2. Step 2: Convert to fraction form
    600,412.80/900,328.32 = 245,285.76/x
  3. Step 3: Cross multiply
    600,412.80x = 900,328.32 × 245,285.76
  4. Step 4: Simplify right side
    600,412.80x = 220,837,716,220.72
  5. Step 5: Solve for x
    x = 220,837,716,220.72/600,412.80
  6. Step 6: Final answer
    x = 367,809.81

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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.