Home / 810,016.08-1,117,815.16-447,465.24

Finding the Fourth Proportional to 810,016.08, 1,117,815.16 and 447,465.24

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Solution

The fourth proportional to 810,016.08, 1,117,815.16 and 447,465.24 is: 617,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,016.08 : 1,117,815.16 = 447,465.24 : x
  2. Step 2: Convert to fraction form
    810,016.08/1,117,815.16 = 447,465.24/x
  3. Step 3: Cross multiply
    810,016.08x = 1,117,815.16 × 447,465.24
  4. Step 4: Simplify right side
    810,016.08x = 500,183,428,845.04
  5. Step 5: Solve for x
    x = 500,183,428,845.04/810,016.08
  6. Step 6: Final answer
    x = 617,498.15

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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.