Home / 873,465.36-1,310,198.70-242,379.78

Finding the Fourth Proportional to 873,465.36, 1,310,198.70 and 242,379.78

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Solution

The fourth proportional to 873,465.36, 1,310,198.70 and 242,379.78 is: 363,569.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,465.36 : 1,310,198.70 = 242,379.78 : x
  2. Step 2: Convert to fraction form
    873,465.36/1,310,198.70 = 242,379.78/x
  3. Step 3: Cross multiply
    873,465.36x = 1,310,198.70 × 242,379.78
  4. Step 4: Simplify right side
    873,465.36x = 317,565,672,662.29
  5. Step 5: Solve for x
    x = 317,565,672,662.29/873,465.36
  6. Step 6: Final answer
    x = 363,569.85

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.