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Finding the Fourth Proportional to 507,734.82, 760,801.14 and 187,445.88

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Solution

The fourth proportional to 507,734.82, 760,801.14 and 187,445.88 is: 280,873.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,734.82 : 760,801.14 = 187,445.88 : x
  2. Step 2: Convert to fraction form
    507,734.82/760,801.14 = 187,445.88/x
  3. Step 3: Cross multiply
    507,734.82x = 760,801.14 × 187,445.88
  4. Step 4: Simplify right side
    507,734.82x = 142,609,039,192.30
  5. Step 5: Solve for x
    x = 142,609,039,192.30/507,734.82
  6. Step 6: Final answer
    x = 280,873.07

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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.