Home / 740,274.39-1,021,570.79-417,965.27

Finding the Fourth Proportional to 740,274.39, 1,021,570.79 and 417,965.27

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Solution

The fourth proportional to 740,274.39, 1,021,570.79 and 417,965.27 is: 576,787.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,274.39 : 1,021,570.79 = 417,965.27 : x
  2. Step 2: Convert to fraction form
    740,274.39/1,021,570.79 = 417,965.27/x
  3. Step 3: Cross multiply
    740,274.39x = 1,021,570.79 × 417,965.27
  4. Step 4: Simplify right side
    740,274.39x = 426,981,103,868.78
  5. Step 5: Solve for x
    x = 426,981,103,868.78/740,274.39
  6. Step 6: Final answer
    x = 576,787.62

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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.