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Finding the Fourth Proportional to 569,661.68, 855,006.12 and 303,643.76

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Solution

The fourth proportional to 569,661.68, 855,006.12 and 303,643.76 is: 455,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,661.68 : 855,006.12 = 303,643.76 : x
  2. Step 2: Convert to fraction form
    569,661.68/855,006.12 = 303,643.76/x
  3. Step 3: Cross multiply
    569,661.68x = 855,006.12 × 303,643.76
  4. Step 4: Simplify right side
    569,661.68x = 259,617,273,099.81
  5. Step 5: Solve for x
    x = 259,617,273,099.81/569,661.68
  6. Step 6: Final answer
    x = 455,739.40

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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.