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Finding the Fourth Proportional to 522,172.09, 720,598.71 and 295,817.59

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Solution

The fourth proportional to 522,172.09, 720,598.71 and 295,817.59 is: 408,228.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,172.09 : 720,598.71 = 295,817.59 : x
  2. Step 2: Convert to fraction form
    522,172.09/720,598.71 = 295,817.59/x
  3. Step 3: Cross multiply
    522,172.09x = 720,598.71 × 295,817.59
  4. Step 4: Simplify right side
    522,172.09x = 213,165,773,749.31
  5. Step 5: Solve for x
    x = 213,165,773,749.31/522,172.09
  6. Step 6: Final answer
    x = 408,228.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.