Home / 507,921.51-700,789.82-400,157.04

Finding the Fourth Proportional to 507,921.51, 700,789.82 and 400,157.04

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Solution

The fourth proportional to 507,921.51, 700,789.82 and 400,157.04 is: 552,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,921.51 : 700,789.82 = 400,157.04 : x
  2. Step 2: Convert to fraction form
    507,921.51/700,789.82 = 400,157.04/x
  3. Step 3: Cross multiply
    507,921.51x = 700,789.82 × 400,157.04
  4. Step 4: Simplify right side
    507,921.51x = 280,425,978,032.55
  5. Step 5: Solve for x
    x = 280,425,978,032.55/507,921.51
  6. Step 6: Final answer
    x = 552,104.95

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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.