Home / 740,213.64-1,021,493.70-400,683.24

Finding the Fourth Proportional to 740,213.64, 1,021,493.70 and 400,683.24

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Solution

The fourth proportional to 740,213.64, 1,021,493.70 and 400,683.24 is: 552,942.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,213.64 : 1,021,493.70 = 400,683.24 : x
  2. Step 2: Convert to fraction form
    740,213.64/1,021,493.70 = 400,683.24/x
  3. Step 3: Cross multiply
    740,213.64x = 1,021,493.70 × 400,683.24
  4. Step 4: Simplify right side
    740,213.64x = 409,295,405,355.59
  5. Step 5: Solve for x
    x = 409,295,405,355.59/740,213.64
  6. Step 6: Final answer
    x = 552,942.26

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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.