Home / 740,633.64-1,022,157.55-418,364.49

Finding the Fourth Proportional to 740,633.64, 1,022,157.55 and 418,364.49

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Solution

The fourth proportional to 740,633.64, 1,022,157.55 and 418,364.49 is: 577,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,633.64 : 1,022,157.55 = 418,364.49 : x
  2. Step 2: Convert to fraction form
    740,633.64/1,022,157.55 = 418,364.49/x
  3. Step 3: Cross multiply
    740,633.64x = 1,022,157.55 × 418,364.49
  4. Step 4: Simplify right side
    740,633.64x = 427,634,422,568.97
  5. Step 5: Solve for x
    x = 427,634,422,568.97/740,633.64
  6. Step 6: Final answer
    x = 577,389.95

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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.