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Finding the Fourth Proportional to 681,507.02, 940,486.12 and 375,594.44

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Solution

The fourth proportional to 681,507.02, 940,486.12 and 375,594.44 is: 518,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,507.02 : 940,486.12 = 375,594.44 : x
  2. Step 2: Convert to fraction form
    681,507.02/940,486.12 = 375,594.44/x
  3. Step 3: Cross multiply
    681,507.02x = 940,486.12 × 375,594.44
  4. Step 4: Simplify right side
    681,507.02x = 353,241,351,927.76
  5. Step 5: Solve for x
    x = 353,241,351,927.76/681,507.02
  6. Step 6: Final answer
    x = 518,323.86

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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.