Home / 790,344.48-1,090,684.08-450,832.80

Finding the Fourth Proportional to 790,344.48, 1,090,684.08 and 450,832.80

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Solution

The fourth proportional to 790,344.48, 1,090,684.08 and 450,832.80 is: 622,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,344.48 : 1,090,684.08 = 450,832.80 : x
  2. Step 2: Convert to fraction form
    790,344.48/1,090,684.08 = 450,832.80/x
  3. Step 3: Cross multiply
    790,344.48x = 1,090,684.08 × 450,832.80
  4. Step 4: Simplify right side
    790,344.48x = 491,716,157,701.82
  5. Step 5: Solve for x
    x = 491,716,157,701.82/790,344.48
  6. Step 6: Final answer
    x = 622,154.23

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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.