Home / 855,183.95-1,180,279.05-492,537.23

Finding the Fourth Proportional to 855,183.95, 1,180,279.05 and 492,537.23

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Solution

The fourth proportional to 855,183.95, 1,180,279.05 and 492,537.23 is: 679,773.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,183.95 : 1,180,279.05 = 492,537.23 : x
  2. Step 2: Convert to fraction form
    855,183.95/1,180,279.05 = 492,537.23/x
  3. Step 3: Cross multiply
    855,183.95x = 1,180,279.05 × 492,537.23
  4. Step 4: Simplify right side
    855,183.95x = 581,331,373,914.03
  5. Step 5: Solve for x
    x = 581,331,373,914.03/855,183.95
  6. Step 6: Final answer
    x = 679,773.48

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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.