Home / 740,707.36-1,022,176.20-401,175.64

Finding the Fourth Proportional to 740,707.36, 1,022,176.20 and 401,175.64

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Solution

The fourth proportional to 740,707.36, 1,022,176.20 and 401,175.64 is: 553,622.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,707.36 : 1,022,176.20 = 401,175.64 : x
  2. Step 2: Convert to fraction form
    740,707.36/1,022,176.20 = 401,175.64/x
  3. Step 3: Cross multiply
    740,707.36x = 1,022,176.20 × 401,175.64
  4. Step 4: Simplify right side
    740,707.36x = 410,072,191,227.77
  5. Step 5: Solve for x
    x = 410,072,191,227.77/740,707.36
  6. Step 6: Final answer
    x = 553,622.41

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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.