Home / 885,433.56-1,221,745.74-498,195.24

Finding the Fourth Proportional to 885,433.56, 1,221,745.74 and 498,195.24

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Solution

The fourth proportional to 885,433.56, 1,221,745.74 and 498,195.24 is: 687,423.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,433.56 : 1,221,745.74 = 498,195.24 : x
  2. Step 2: Convert to fraction form
    885,433.56/1,221,745.74 = 498,195.24/x
  3. Step 3: Cross multiply
    885,433.56x = 1,221,745.74 × 498,195.24
  4. Step 4: Simplify right side
    885,433.56x = 608,667,912,158.28
  5. Step 5: Solve for x
    x = 608,667,912,158.28/885,433.56
  6. Step 6: Final answer
    x = 687,423.59

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Double scale
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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.