Home / 670,650.52-1,005,961.10-315,467.64

Finding the Fourth Proportional to 670,650.52, 1,005,961.10 and 315,467.64

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Solution

The fourth proportional to 670,650.52, 1,005,961.10 and 315,467.64 is: 473,194.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,650.52 : 1,005,961.10 = 315,467.64 : x
  2. Step 2: Convert to fraction form
    670,650.52/1,005,961.10 = 315,467.64/x
  3. Step 3: Cross multiply
    670,650.52x = 1,005,961.10 × 315,467.64
  4. Step 4: Simplify right side
    670,650.52x = 317,348,174,148.80
  5. Step 5: Solve for x
    x = 317,348,174,148.80/670,650.52
  6. Step 6: Final answer
    x = 473,194.55

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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.