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Finding the Fourth Proportional to 446,855.40, 668,727.90 and 306,887.40

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Solution

The fourth proportional to 446,855.40, 668,727.90 and 306,887.40 is: 459,263.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,855.40 : 668,727.90 = 306,887.40 : x
  2. Step 2: Convert to fraction form
    446,855.40/668,727.90 = 306,887.40/x
  3. Step 3: Cross multiply
    446,855.40x = 668,727.90 × 306,887.40
  4. Step 4: Simplify right side
    446,855.40x = 205,224,166,538.46
  5. Step 5: Solve for x
    x = 205,224,166,538.46/446,855.40
  6. Step 6: Final answer
    x = 459,263.03

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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.