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Finding the Fourth Proportional to 562,029.80, 775,612.50 and 307,397.36

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Solution

The fourth proportional to 562,029.80, 775,612.50 and 307,397.36 is: 424,214.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,029.80 : 775,612.50 = 307,397.36 : x
  2. Step 2: Convert to fraction form
    562,029.80/775,612.50 = 307,397.36/x
  3. Step 3: Cross multiply
    562,029.80x = 775,612.50 × 307,397.36
  4. Step 4: Simplify right side
    562,029.80x = 238,421,234,883
  5. Step 5: Solve for x
    x = 238,421,234,883/562,029.80
  6. Step 6: Final answer
    x = 424,214.58

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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.