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Finding the Fourth Proportional to 505,269.72, 758,300.47 and 352,472.94

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Solution

The fourth proportional to 505,269.72, 758,300.47 and 352,472.94 is: 528,985.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,269.72 : 758,300.47 = 352,472.94 : x
  2. Step 2: Convert to fraction form
    505,269.72/758,300.47 = 352,472.94/x
  3. Step 3: Cross multiply
    505,269.72x = 758,300.47 × 352,472.94
  4. Step 4: Simplify right side
    505,269.72x = 267,280,392,272.78
  5. Step 5: Solve for x
    x = 267,280,392,272.78/505,269.72
  6. Step 6: Final answer
    x = 528,985.58

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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.