Home / 631,164.15-871,013.45-344,692.67

Finding the Fourth Proportional to 631,164.15, 871,013.45 and 344,692.67

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Solution

The fourth proportional to 631,164.15, 871,013.45 and 344,692.67 is: 475,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,164.15 : 871,013.45 = 344,692.67 : x
  2. Step 2: Convert to fraction form
    631,164.15/871,013.45 = 344,692.67/x
  3. Step 3: Cross multiply
    631,164.15x = 871,013.45 × 344,692.67
  4. Step 4: Simplify right side
    631,164.15x = 300,231,948,193.08
  5. Step 5: Solve for x
    x = 300,231,948,193.08/631,164.15
  6. Step 6: Final answer
    x = 475,679.66

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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.