Home / 739,966.98-1,021,154.42-400,435.23

Finding the Fourth Proportional to 739,966.98, 1,021,154.42 and 400,435.23

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Solution

The fourth proportional to 739,966.98, 1,021,154.42 and 400,435.23 is: 552,600.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,966.98 : 1,021,154.42 = 400,435.23 : x
  2. Step 2: Convert to fraction form
    739,966.98/1,021,154.42 = 400,435.23/x
  3. Step 3: Cross multiply
    739,966.98x = 1,021,154.42 × 400,435.23
  4. Step 4: Simplify right side
    739,966.98x = 408,906,203,036.04
  5. Step 5: Solve for x
    x = 408,906,203,036.04/739,966.98
  6. Step 6: Final answer
    x = 552,600.61

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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.