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Finding the Fourth Proportional to 573,175.34, 790,995.53 and 315,050.34

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Solution

The fourth proportional to 573,175.34, 790,995.53 and 315,050.34 is: 434,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,175.34 : 790,995.53 = 315,050.34 : x
  2. Step 2: Convert to fraction form
    573,175.34/790,995.53 = 315,050.34/x
  3. Step 3: Cross multiply
    573,175.34x = 790,995.53 × 315,050.34
  4. Step 4: Simplify right side
    573,175.34x = 249,203,405,972.66
  5. Step 5: Solve for x
    x = 249,203,405,972.66/573,175.34
  6. Step 6: Final answer
    x = 434,776.92

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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.