Home / 740,735.66-1,022,298.16-418,466.51

Finding the Fourth Proportional to 740,735.66, 1,022,298.16 and 418,466.51

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Solution

The fourth proportional to 740,735.66, 1,022,298.16 and 418,466.51 is: 577,530.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,735.66 : 1,022,298.16 = 418,466.51 : x
  2. Step 2: Convert to fraction form
    740,735.66/1,022,298.16 = 418,466.51/x
  3. Step 3: Cross multiply
    740,735.66x = 1,022,298.16 × 418,466.51
  4. Step 4: Simplify right side
    740,735.66x = 427,797,543,194.62
  5. Step 5: Solve for x
    x = 427,797,543,194.62/740,735.66
  6. Step 6: Final answer
    x = 577,530.65

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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.