Home / 807,467.60-1,211,784.60-452,104.40

Finding the Fourth Proportional to 807,467.60, 1,211,784.60 and 452,104.40

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Solution

The fourth proportional to 807,467.60, 1,211,784.60 and 452,104.40 is: 678,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,467.60 : 1,211,784.60 = 452,104.40 : x
  2. Step 2: Convert to fraction form
    807,467.60/1,211,784.60 = 452,104.40/x
  3. Step 3: Cross multiply
    807,467.60x = 1,211,784.60 × 452,104.40
  4. Step 4: Simplify right side
    807,467.60x = 547,853,149,512.24
  5. Step 5: Solve for x
    x = 547,853,149,512.24/807,467.60
  6. Step 6: Final answer
    x = 678,483.14

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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.