Home / 873,458.31-1,310,187.47-242,372.32

Finding the Fourth Proportional to 873,458.31, 1,310,187.47 and 242,372.32

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Solution

The fourth proportional to 873,458.31, 1,310,187.47 and 242,372.32 is: 363,558.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,458.31 : 1,310,187.47 = 242,372.32 : x
  2. Step 2: Convert to fraction form
    873,458.31/1,310,187.47 = 242,372.32/x
  3. Step 3: Cross multiply
    873,458.31x = 1,310,187.47 × 242,372.32
  4. Step 4: Simplify right side
    873,458.31x = 317,553,176,738.83
  5. Step 5: Solve for x
    x = 317,553,176,738.83/873,458.31
  6. Step 6: Final answer
    x = 363,558.48

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Double scale
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Similar ratio
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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.