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Finding the Fourth Proportional to 569,261.86, 852,121.32 and 358,456.94

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Solution

The fourth proportional to 569,261.86, 852,121.32 and 358,456.94 is: 536,569.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,261.86 : 852,121.32 = 358,456.94 : x
  2. Step 2: Convert to fraction form
    569,261.86/852,121.32 = 358,456.94/x
  3. Step 3: Cross multiply
    569,261.86x = 852,121.32 × 358,456.94
  4. Step 4: Simplify right side
    569,261.86x = 305,448,800,875.96
  5. Step 5: Solve for x
    x = 305,448,800,875.96/569,261.86
  6. Step 6: Final answer
    x = 536,569.94

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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.