Home / 739,741.11-1,020,838.46-400,202.07

Finding the Fourth Proportional to 739,741.11, 1,020,838.46 and 400,202.07

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Solution

The fourth proportional to 739,741.11, 1,020,838.46 and 400,202.07 is: 552,276.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,741.11 : 1,020,838.46 = 400,202.07 : x
  2. Step 2: Convert to fraction form
    739,741.11/1,020,838.46 = 400,202.07/x
  3. Step 3: Cross multiply
    739,741.11x = 1,020,838.46 × 400,202.07
  4. Step 4: Simplify right side
    739,741.11x = 408,541,662,826.60
  5. Step 5: Solve for x
    x = 408,541,662,826.60/739,741.11
  6. Step 6: Final answer
    x = 552,276.54

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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.