Home / 452,455.60-677,649.76-215,964.35

Finding the Fourth Proportional to 452,455.60, 677,649.76 and 215,964.35

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Solution

The fourth proportional to 452,455.60, 677,649.76 and 215,964.35 is: 323,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,455.60 : 677,649.76 = 215,964.35 : x
  2. Step 2: Convert to fraction form
    452,455.60/677,649.76 = 215,964.35/x
  3. Step 3: Cross multiply
    452,455.60x = 677,649.76 × 215,964.35
  4. Step 4: Simplify right side
    452,455.60x = 146,348,189,946.06
  5. Step 5: Solve for x
    x = 146,348,189,946.06/452,455.60
  6. Step 6: Final answer
    x = 323,453.15

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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.