Home / 814,194.37-1,221,294.68-340,547.47

Finding the Fourth Proportional to 814,194.37, 1,221,294.68 and 340,547.47

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Solution

The fourth proportional to 814,194.37, 1,221,294.68 and 340,547.47 is: 510,822.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,194.37 : 1,221,294.68 = 340,547.47 : x
  2. Step 2: Convert to fraction form
    814,194.37/1,221,294.68 = 340,547.47/x
  3. Step 3: Cross multiply
    814,194.37x = 1,221,294.68 × 340,547.47
  4. Step 4: Simplify right side
    814,194.37x = 415,908,811,695.72
  5. Step 5: Solve for x
    x = 415,908,811,695.72/814,194.37
  6. Step 6: Final answer
    x = 510,822.51

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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.