Home / 753,067.53-1,129,601.70-472,781.61

Finding the Fourth Proportional to 753,067.53, 1,129,601.70 and 472,781.61

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Solution

The fourth proportional to 753,067.53, 1,129,601.70 and 472,781.61 is: 709,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,067.53 : 1,129,601.70 = 472,781.61 : x
  2. Step 2: Convert to fraction form
    753,067.53/1,129,601.70 = 472,781.61/x
  3. Step 3: Cross multiply
    753,067.53x = 1,129,601.70 × 472,781.61
  4. Step 4: Simplify right side
    753,067.53x = 534,054,910,384.74
  5. Step 5: Solve for x
    x = 534,054,910,384.74/753,067.53
  6. Step 6: Final answer
    x = 709,172.67

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1.5x scale

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.