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Finding the Fourth Proportional to 562,005.30, 775,578.63 and 307,372.86

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Solution

The fourth proportional to 562,005.30, 775,578.63 and 307,372.86 is: 424,180.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,005.30 : 775,578.63 = 307,372.86 : x
  2. Step 2: Convert to fraction form
    562,005.30/775,578.63 = 307,372.86/x
  3. Step 3: Cross multiply
    562,005.30x = 775,578.63 × 307,372.86
  4. Step 4: Simplify right side
    562,005.30x = 238,391,821,657.98
  5. Step 5: Solve for x
    x = 238,391,821,657.98/562,005.30
  6. Step 6: Final answer
    x = 424,180.74

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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.