Home / 739,925.05-1,021,099.26-400,393.30

Finding the Fourth Proportional to 739,925.05, 1,021,099.26 and 400,393.30

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Solution

The fourth proportional to 739,925.05, 1,021,099.26 and 400,393.30 is: 552,544.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,925.05 : 1,021,099.26 = 400,393.30 : x
  2. Step 2: Convert to fraction form
    739,925.05/1,021,099.26 = 400,393.30/x
  3. Step 3: Cross multiply
    739,925.05x = 1,021,099.26 × 400,393.30
  4. Step 4: Simplify right side
    739,925.05x = 408,841,302,338.96
  5. Step 5: Solve for x
    x = 408,841,302,338.96/739,925.05
  6. Step 6: Final answer
    x = 552,544.21

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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.