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Finding the Fourth Proportional to 562,225.34, 775,889.24 and 307,576.53

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Solution

The fourth proportional to 562,225.34, 775,889.24 and 307,576.53 is: 424,465.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,225.34 : 775,889.24 = 307,576.53 : x
  2. Step 2: Convert to fraction form
    562,225.34/775,889.24 = 307,576.53/x
  3. Step 3: Cross multiply
    562,225.34x = 775,889.24 × 307,576.53
  4. Step 4: Simplify right side
    562,225.34x = 238,645,320,103.54
  5. Step 5: Solve for x
    x = 238,645,320,103.54/562,225.34
  6. Step 6: Final answer
    x = 424,465.61

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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.