Home / 403,935.08-557,962.85-301,783.01

Finding the Fourth Proportional to 403,935.08, 557,962.85 and 301,783.01

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Solution

The fourth proportional to 403,935.08, 557,962.85 and 301,783.01 is: 416,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,935.08 : 557,962.85 = 301,783.01 : x
  2. Step 2: Convert to fraction form
    403,935.08/557,962.85 = 301,783.01/x
  3. Step 3: Cross multiply
    403,935.08x = 557,962.85 × 301,783.01
  4. Step 4: Simplify right side
    403,935.08x = 168,383,708,341.18
  5. Step 5: Solve for x
    x = 168,383,708,341.18/403,935.08
  6. Step 6: Final answer
    x = 416,858.34

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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.