Home / 821,518.14-1,232,417.31-366,274.56

Finding the Fourth Proportional to 821,518.14, 1,232,417.31 and 366,274.56

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Solution

The fourth proportional to 821,518.14, 1,232,417.31 and 366,274.56 is: 549,474.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,518.14 : 1,232,417.31 = 366,274.56 : x
  2. Step 2: Convert to fraction form
    821,518.14/1,232,417.31 = 366,274.56/x
  3. Step 3: Cross multiply
    821,518.14x = 1,232,417.31 × 366,274.56
  4. Step 4: Simplify right side
    821,518.14x = 451,403,107,956.63
  5. Step 5: Solve for x
    x = 451,403,107,956.63/821,518.14
  6. Step 6: Final answer
    x = 549,474.30

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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.