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Finding the Fourth Proportional to 650,637.08, 897,879.05 and 364,157.16

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Solution

The fourth proportional to 650,637.08, 897,879.05 and 364,157.16 is: 502,536.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,637.08 : 897,879.05 = 364,157.16 : x
  2. Step 2: Convert to fraction form
    650,637.08/897,879.05 = 364,157.16/x
  3. Step 3: Cross multiply
    650,637.08x = 897,879.05 × 364,157.16
  4. Step 4: Simplify right side
    650,637.08x = 326,969,084,871.50
  5. Step 5: Solve for x
    x = 326,969,084,871.50/650,637.08
  6. Step 6: Final answer
    x = 502,536.81

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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.