Home / 815,127.84-1,222,298.51-341,686.08

Finding the Fourth Proportional to 815,127.84, 1,222,298.51 and 341,686.08

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Solution

The fourth proportional to 815,127.84, 1,222,298.51 and 341,686.08 is: 512,364.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,127.84 : 1,222,298.51 = 341,686.08 : x
  2. Step 2: Convert to fraction form
    815,127.84/1,222,298.51 = 341,686.08/x
  3. Step 3: Cross multiply
    815,127.84x = 1,222,298.51 × 341,686.08
  4. Step 4: Simplify right side
    815,127.84x = 417,642,384,763.31
  5. Step 5: Solve for x
    x = 417,642,384,763.31/815,127.84
  6. Step 6: Final answer
    x = 512,364.27

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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.