Home / 558,586.13-770,865.26-303,953.72

Finding the Fourth Proportional to 558,586.13, 770,865.26 and 303,953.72

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Solution

The fourth proportional to 558,586.13, 770,865.26 and 303,953.72 is: 419,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,586.13 : 770,865.26 = 303,953.72 : x
  2. Step 2: Convert to fraction form
    558,586.13/770,865.26 = 303,953.72/x
  3. Step 3: Cross multiply
    558,586.13x = 770,865.26 × 303,953.72
  4. Step 4: Simplify right side
    558,586.13x = 234,307,358,021.67
  5. Step 5: Solve for x
    x = 234,307,358,021.67/558,586.13
  6. Step 6: Final answer
    x = 419,465.05

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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.