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Finding the Fourth Proportional to 424,597.62, 586,128.57 and 303,528.94

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Solution

The fourth proportional to 424,597.62, 586,128.57 and 303,528.94 is: 419,001.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,597.62 : 586,128.57 = 303,528.94 : x
  2. Step 2: Convert to fraction form
    424,597.62/586,128.57 = 303,528.94/x
  3. Step 3: Cross multiply
    424,597.62x = 586,128.57 × 303,528.94
  4. Step 4: Simplify right side
    424,597.62x = 177,906,983,555.82
  5. Step 5: Solve for x
    x = 177,906,983,555.82/424,597.62
  6. Step 6: Final answer
    x = 419,001.37

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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.