Home / 836,455.60-1,253,298.30-480,849.40

Finding the Fourth Proportional to 836,455.60, 1,253,298.30 and 480,849.40

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Solution

The fourth proportional to 836,455.60, 1,253,298.30 and 480,849.40 is: 720,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,455.60 : 1,253,298.30 = 480,849.40 : x
  2. Step 2: Convert to fraction form
    836,455.60/1,253,298.30 = 480,849.40/x
  3. Step 3: Cross multiply
    836,455.60x = 1,253,298.30 × 480,849.40
  4. Step 4: Simplify right side
    836,455.60x = 602,647,735,576.02
  5. Step 5: Solve for x
    x = 602,647,735,576.02/836,455.60
  6. Step 6: Final answer
    x = 720,477.85

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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.