Home / 790,369.53-1,090,608.35-450,817.53

Finding the Fourth Proportional to 790,369.53, 1,090,608.35 and 450,817.53

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Solution

The fourth proportional to 790,369.53, 1,090,608.35 and 450,817.53 is: 622,070.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,369.53 : 1,090,608.35 = 450,817.53 : x
  2. Step 2: Convert to fraction form
    790,369.53/1,090,608.35 = 450,817.53/x
  3. Step 3: Cross multiply
    790,369.53x = 1,090,608.35 × 450,817.53
  4. Step 4: Simplify right side
    790,369.53x = 491,665,360,290.29
  5. Step 5: Solve for x
    x = 491,665,360,290.29/790,369.53
  6. Step 6: Final answer
    x = 622,070.24

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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.