Home / 790,418.12-1,185,492.26-284,878.49

Finding the Fourth Proportional to 790,418.12, 1,185,492.26 and 284,878.49

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Solution

The fourth proportional to 790,418.12, 1,185,492.26 and 284,878.49 is: 427,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,418.12 : 1,185,492.26 = 284,878.49 : x
  2. Step 2: Convert to fraction form
    790,418.12/1,185,492.26 = 284,878.49/x
  3. Step 3: Cross multiply
    790,418.12x = 1,185,492.26 × 284,878.49
  4. Step 4: Simplify right side
    790,418.12x = 337,721,239,720.22
  5. Step 5: Solve for x
    x = 337,721,239,720.22/790,418.12
  6. Step 6: Final answer
    x = 427,269.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.