Home / 740,971.46-1,022,541.62-401,439.71

Finding the Fourth Proportional to 740,971.46, 1,022,541.62 and 401,439.71

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Solution

The fourth proportional to 740,971.46, 1,022,541.62 and 401,439.71 is: 553,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,971.46 : 1,022,541.62 = 401,439.71 : x
  2. Step 2: Convert to fraction form
    740,971.46/1,022,541.62 = 401,439.71/x
  3. Step 3: Cross multiply
    740,971.46x = 1,022,541.62 × 401,439.71
  4. Step 4: Simplify right side
    740,971.46x = 410,488,811,395.73
  5. Step 5: Solve for x
    x = 410,488,811,395.73/740,971.46
  6. Step 6: Final answer
    x = 553,987.34

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Double scale
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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.