Home / 740,633.22-1,022,156.96-418,364.07

Finding the Fourth Proportional to 740,633.22, 1,022,156.96 and 418,364.07

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Solution

The fourth proportional to 740,633.22, 1,022,156.96 and 418,364.07 is: 577,389.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,633.22 : 1,022,156.96 = 418,364.07 : x
  2. Step 2: Convert to fraction form
    740,633.22/1,022,156.96 = 418,364.07/x
  3. Step 3: Cross multiply
    740,633.22x = 1,022,156.96 × 418,364.07
  4. Step 4: Simplify right side
    740,633.22x = 427,633,745,964.43
  5. Step 5: Solve for x
    x = 427,633,745,964.43/740,633.22
  6. Step 6: Final answer
    x = 577,389.37

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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.