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Finding the Fourth Proportional to 407,640.24, 608,715.39 and 332,908.74

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Solution

The fourth proportional to 407,640.24, 608,715.39 and 332,908.74 is: 497,121.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,640.24 : 608,715.39 = 332,908.74 : x
  2. Step 2: Convert to fraction form
    407,640.24/608,715.39 = 332,908.74/x
  3. Step 3: Cross multiply
    407,640.24x = 608,715.39 × 332,908.74
  4. Step 4: Simplify right side
    407,640.24x = 202,646,673,503.51
  5. Step 5: Solve for x
    x = 202,646,673,503.51/407,640.24
  6. Step 6: Final answer
    x = 497,121.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.