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Finding the Fourth Proportional to 562,264.96, 775,940.16 and 307,626.88

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Solution

The fourth proportional to 562,264.96, 775,940.16 and 307,626.88 is: 424,533.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,264.96 : 775,940.16 = 307,626.88 : x
  2. Step 2: Convert to fraction form
    562,264.96/775,940.16 = 307,626.88/x
  3. Step 3: Cross multiply
    562,264.96x = 775,940.16 × 307,626.88
  4. Step 4: Simplify right side
    562,264.96x = 238,700,050,487.50
  5. Step 5: Solve for x
    x = 238,700,050,487.50/562,264.96
  6. Step 6: Final answer
    x = 424,533.04

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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.