Home / 815,185.84-1,222,385.36-341,744.08

Finding the Fourth Proportional to 815,185.84, 1,222,385.36 and 341,744.08

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Solution

The fourth proportional to 815,185.84, 1,222,385.36 and 341,744.08 is: 512,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,185.84 : 1,222,385.36 = 341,744.08 : x
  2. Step 2: Convert to fraction form
    815,185.84/1,222,385.36 = 341,744.08/x
  3. Step 3: Cross multiply
    815,185.84x = 1,222,385.36 × 341,744.08
  4. Step 4: Simplify right side
    815,185.84x = 417,742,960,258.67
  5. Step 5: Solve for x
    x = 417,742,960,258.67/815,185.84
  6. Step 6: Final answer
    x = 512,451.20

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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.