Home / 740,980-1,022,553.36-401,448.22

Finding the Fourth Proportional to 740,980, 1,022,553.36 and 401,448.22

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Solution

The fourth proportional to 740,980, 1,022,553.36 and 401,448.22 is: 553,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,980 : 1,022,553.36 = 401,448.22 : x
  2. Step 2: Convert to fraction form
    740,980/1,022,553.36 = 401,448.22/x
  3. Step 3: Cross multiply
    740,980x = 1,022,553.36 × 401,448.22
  4. Step 4: Simplify right side
    740,980x = 410,502,226,227.02
  5. Step 5: Solve for x
    x = 410,502,226,227.02/740,980
  6. Step 6: Final answer
    x = 553,999.06

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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.