Home / 826,125.68-1,140,054-463,499.48

Finding the Fourth Proportional to 826,125.68, 1,140,054 and 463,499.48

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Solution

The fourth proportional to 826,125.68, 1,140,054 and 463,499.48 is: 639,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,125.68 : 1,140,054 = 463,499.48 : x
  2. Step 2: Convert to fraction form
    826,125.68/1,140,054 = 463,499.48/x
  3. Step 3: Cross multiply
    826,125.68x = 1,140,054 × 463,499.48
  4. Step 4: Simplify right side
    826,125.68x = 528,414,436,171.92
  5. Step 5: Solve for x
    x = 528,414,436,171.92/826,125.68
  6. Step 6: Final answer
    x = 639,629.60

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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.