Home / 790,155.27-1,090,432.94-450,616.23

Finding the Fourth Proportional to 790,155.27, 1,090,432.94 and 450,616.23

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Solution

The fourth proportional to 790,155.27, 1,090,432.94 and 450,616.23 is: 621,861.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,155.27 : 1,090,432.94 = 450,616.23 : x
  2. Step 2: Convert to fraction form
    790,155.27/1,090,432.94 = 450,616.23/x
  3. Step 3: Cross multiply
    790,155.27x = 1,090,432.94 × 450,616.23
  4. Step 4: Simplify right side
    790,155.27x = 491,366,778,237.54
  5. Step 5: Solve for x
    x = 491,366,778,237.54/790,155.27
  6. Step 6: Final answer
    x = 621,861.04

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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.