Home / 871,832.30-1,307,711.93-303,342.03

Finding the Fourth Proportional to 871,832.30, 1,307,711.93 and 303,342.03

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Solution

The fourth proportional to 871,832.30, 1,307,711.93 and 303,342.03 is: 455,000.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,832.30 : 1,307,711.93 = 303,342.03 : x
  2. Step 2: Convert to fraction form
    871,832.30/1,307,711.93 = 303,342.03/x
  3. Step 3: Cross multiply
    871,832.30x = 1,307,711.93 × 303,342.03
  4. Step 4: Simplify right side
    871,832.30x = 396,683,989,984.71
  5. Step 5: Solve for x
    x = 396,683,989,984.71/871,832.30
  6. Step 6: Final answer
    x = 455,000.34

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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.