Home / 814,503.86-1,221,931.29-245,837.42

Finding the Fourth Proportional to 814,503.86, 1,221,931.29 and 245,837.42

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Solution

The fourth proportional to 814,503.86, 1,221,931.29 and 245,837.42 is: 368,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,503.86 : 1,221,931.29 = 245,837.42 : x
  2. Step 2: Convert to fraction form
    814,503.86/1,221,931.29 = 245,837.42/x
  3. Step 3: Cross multiply
    814,503.86x = 1,221,931.29 × 245,837.42
  4. Step 4: Simplify right side
    814,503.86x = 300,396,435,750.87
  5. Step 5: Solve for x
    x = 300,396,435,750.87/814,503.86
  6. Step 6: Final answer
    x = 368,809.10

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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.