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Finding the Fourth Proportional to 871,008, 1,306,594.44 and 338,570.16

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Solution

The fourth proportional to 871,008, 1,306,594.44 and 338,570.16 is: 507,887.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,008 : 1,306,594.44 = 338,570.16 : x
  2. Step 2: Convert to fraction form
    871,008/1,306,594.44 = 338,570.16/x
  3. Step 3: Cross multiply
    871,008x = 1,306,594.44 × 338,570.16
  4. Step 4: Simplify right side
    871,008x = 442,373,888,605.91
  5. Step 5: Solve for x
    x = 442,373,888,605.91/871,008
  6. Step 6: Final answer
    x = 507,887.29

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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.