Home / 851,614.83-1,277,496.02-312,017.67

Finding the Fourth Proportional to 851,614.83, 1,277,496.02 and 312,017.67

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Solution

The fourth proportional to 851,614.83, 1,277,496.02 and 312,017.67 is: 468,053.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,614.83 : 1,277,496.02 = 312,017.67 : x
  2. Step 2: Convert to fraction form
    851,614.83/1,277,496.02 = 312,017.67/x
  3. Step 3: Cross multiply
    851,614.83x = 1,277,496.02 × 312,017.67
  4. Step 4: Simplify right side
    851,614.83x = 398,601,332,374.72
  5. Step 5: Solve for x
    x = 398,601,332,374.72/851,614.83
  6. Step 6: Final answer
    x = 468,053.54

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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.