Home / 804,780.40-1,207,332.60-236,160.40

Finding the Fourth Proportional to 804,780.40, 1,207,332.60 and 236,160.40

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Solution

The fourth proportional to 804,780.40, 1,207,332.60 and 236,160.40 is: 354,288.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,780.40 : 1,207,332.60 = 236,160.40 : x
  2. Step 2: Convert to fraction form
    804,780.40/1,207,332.60 = 236,160.40/x
  3. Step 3: Cross multiply
    804,780.40x = 1,207,332.60 × 236,160.40
  4. Step 4: Simplify right side
    804,780.40x = 285,124,149,749.04
  5. Step 5: Solve for x
    x = 285,124,149,749.04/804,780.40
  6. Step 6: Final answer
    x = 354,288.14

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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.