Home / 806,554.34-1,209,831.54-301,154.73

Finding the Fourth Proportional to 806,554.34, 1,209,831.54 and 301,154.73

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Solution

The fourth proportional to 806,554.34, 1,209,831.54 and 301,154.73 is: 451,732.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,554.34 : 1,209,831.54 = 301,154.73 : x
  2. Step 2: Convert to fraction form
    806,554.34/1,209,831.54 = 301,154.73/x
  3. Step 3: Cross multiply
    806,554.34x = 1,209,831.54 × 301,154.73
  4. Step 4: Simplify right side
    806,554.34x = 364,346,490,774.18
  5. Step 5: Solve for x
    x = 364,346,490,774.18/806,554.34
  6. Step 6: Final answer
    x = 451,732.11

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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.