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Finding the Fourth Proportional to 575,693.12, 863,113.22 and 275,888.23

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Solution

The fourth proportional to 575,693.12, 863,113.22 and 275,888.23 is: 413,627.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,693.12 : 863,113.22 = 275,888.23 : x
  2. Step 2: Convert to fraction form
    575,693.12/863,113.22 = 275,888.23/x
  3. Step 3: Cross multiply
    575,693.12x = 863,113.22 × 275,888.23
  4. Step 4: Simplify right side
    575,693.12x = 238,122,776,052.76
  5. Step 5: Solve for x
    x = 238,122,776,052.76/575,693.12
  6. Step 6: Final answer
    x = 413,627.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.