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Finding the Fourth Proportional to 613,525.56, 846,657.22 and 355,437.68

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Solution

The fourth proportional to 613,525.56, 846,657.22 and 355,437.68 is: 490,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,525.56 : 846,657.22 = 355,437.68 : x
  2. Step 2: Convert to fraction form
    613,525.56/846,657.22 = 355,437.68/x
  3. Step 3: Cross multiply
    613,525.56x = 846,657.22 × 355,437.68
  4. Step 4: Simplify right side
    613,525.56x = 300,933,878,032.05
  5. Step 5: Solve for x
    x = 300,933,878,032.05/613,525.56
  6. Step 6: Final answer
    x = 490,499.33

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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.