Home / 739,961.04-1,021,146.23-400,429.29

Finding the Fourth Proportional to 739,961.04, 1,021,146.23 and 400,429.29

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Solution

The fourth proportional to 739,961.04, 1,021,146.23 and 400,429.29 is: 552,592.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,961.04 : 1,021,146.23 = 400,429.29 : x
  2. Step 2: Convert to fraction form
    739,961.04/1,021,146.23 = 400,429.29/x
  3. Step 3: Cross multiply
    739,961.04x = 1,021,146.23 × 400,429.29
  4. Step 4: Simplify right side
    739,961.04x = 408,896,859,865.08
  5. Step 5: Solve for x
    x = 408,896,859,865.08/739,961.04
  6. Step 6: Final answer
    x = 552,592.42

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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.