Home / 815,282.34-1,124,837.34-470,992.62

Finding the Fourth Proportional to 815,282.34, 1,124,837.34 and 470,992.62

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Solution

The fourth proportional to 815,282.34, 1,124,837.34 and 470,992.62 is: 649,824.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,282.34 : 1,124,837.34 = 470,992.62 : x
  2. Step 2: Convert to fraction form
    815,282.34/1,124,837.34 = 470,992.62/x
  3. Step 3: Cross multiply
    815,282.34x = 1,124,837.34 × 470,992.62
  4. Step 4: Simplify right side
    815,282.34x = 529,790,085,840.43
  5. Step 5: Solve for x
    x = 529,790,085,840.43/815,282.34
  6. Step 6: Final answer
    x = 649,824.07

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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.