Home / 739,921.01-1,021,093.70-400,389.26

Finding the Fourth Proportional to 739,921.01, 1,021,093.70 and 400,389.26

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Solution

The fourth proportional to 739,921.01, 1,021,093.70 and 400,389.26 is: 552,538.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,921.01 : 1,021,093.70 = 400,389.26 : x
  2. Step 2: Convert to fraction form
    739,921.01/1,021,093.70 = 400,389.26/x
  3. Step 3: Cross multiply
    739,921.01x = 1,021,093.70 × 400,389.26
  4. Step 4: Simplify right side
    739,921.01x = 408,834,943,826.25
  5. Step 5: Solve for x
    x = 408,834,943,826.25/739,921.01
  6. Step 6: Final answer
    x = 552,538.64

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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.