Home / 790,162.30-1,090,442.58-450,623.26

Finding the Fourth Proportional to 790,162.30, 1,090,442.58 and 450,623.26

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Solution

The fourth proportional to 790,162.30, 1,090,442.58 and 450,623.26 is: 621,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,162.30 : 1,090,442.58 = 450,623.26 : x
  2. Step 2: Convert to fraction form
    790,162.30/1,090,442.58 = 450,623.26/x
  3. Step 3: Cross multiply
    790,162.30x = 1,090,442.58 × 450,623.26
  4. Step 4: Simplify right side
    790,162.30x = 491,378,790,242.41
  5. Step 5: Solve for x
    x = 491,378,790,242.41/790,162.30
  6. Step 6: Final answer
    x = 621,870.71

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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.