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Finding the Fourth Proportional to 631,602.96, 871,673.04 and 345,166.44

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Solution

The fourth proportional to 631,602.96, 871,673.04 and 345,166.44 is: 476,363.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,602.96 : 871,673.04 = 345,166.44 : x
  2. Step 2: Convert to fraction form
    631,602.96/871,673.04 = 345,166.44/x
  3. Step 3: Cross multiply
    631,602.96x = 871,673.04 × 345,166.44
  4. Step 4: Simplify right side
    631,602.96x = 300,872,280,060.78
  5. Step 5: Solve for x
    x = 300,872,280,060.78/631,602.96
  6. Step 6: Final answer
    x = 476,363.00

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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.