Home / 403,629.78-557,009.22-233,962.32

Finding the Fourth Proportional to 403,629.78, 557,009.22 and 233,962.32

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Solution

The fourth proportional to 403,629.78, 557,009.22 and 233,962.32 is: 322,868.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,629.78 : 557,009.22 = 233,962.32 : x
  2. Step 2: Convert to fraction form
    403,629.78/557,009.22 = 233,962.32/x
  3. Step 3: Cross multiply
    403,629.78x = 557,009.22 × 233,962.32
  4. Step 4: Simplify right side
    403,629.78x = 130,319,169,372.59
  5. Step 5: Solve for x
    x = 130,319,169,372.59/403,629.78
  6. Step 6: Final answer
    x = 322,868.07

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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.