Home / 740,908.56-1,022,458.80-401,376.96

Finding the Fourth Proportional to 740,908.56, 1,022,458.80 and 401,376.96

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Solution

The fourth proportional to 740,908.56, 1,022,458.80 and 401,376.96 is: 553,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,908.56 : 1,022,458.80 = 401,376.96 : x
  2. Step 2: Convert to fraction form
    740,908.56/1,022,458.80 = 401,376.96/x
  3. Step 3: Cross multiply
    740,908.56x = 1,022,458.80 × 401,376.96
  4. Step 4: Simplify right side
    740,908.56x = 410,391,404,869.25
  5. Step 5: Solve for x
    x = 410,391,404,869.25/740,908.56
  6. Step 6: Final answer
    x = 553,902.91

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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.