Home / 558,516.57-770,756.22-303,869.58

Finding the Fourth Proportional to 558,516.57, 770,756.22 and 303,869.58

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Solution

The fourth proportional to 558,516.57, 770,756.22 and 303,869.58 is: 419,341.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,516.57 : 770,756.22 = 303,869.58 : x
  2. Step 2: Convert to fraction form
    558,516.57/770,756.22 = 303,869.58/x
  3. Step 3: Cross multiply
    558,516.57x = 770,756.22 × 303,869.58
  4. Step 4: Simplify right side
    558,516.57x = 234,209,368,853.79
  5. Step 5: Solve for x
    x = 234,209,368,853.79/558,516.57
  6. Step 6: Final answer
    x = 419,341.84

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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.