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Finding the Fourth Proportional to 405,321.60, 607,107.60 and 335,337.60

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Solution

The fourth proportional to 405,321.60, 607,107.60 and 335,337.60 is: 502,282.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,321.60 : 607,107.60 = 335,337.60 : x
  2. Step 2: Convert to fraction form
    405,321.60/607,107.60 = 335,337.60/x
  3. Step 3: Cross multiply
    405,321.60x = 607,107.60 × 335,337.60
  4. Step 4: Simplify right side
    405,321.60x = 203,586,005,525.76
  5. Step 5: Solve for x
    x = 203,586,005,525.76/405,321.60
  6. Step 6: Final answer
    x = 502,282.65

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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.