Home / 670,273.20-1,005,434.10-197,006.40

Finding the Fourth Proportional to 670,273.20, 1,005,434.10 and 197,006.40

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Solution

The fourth proportional to 670,273.20, 1,005,434.10 and 197,006.40 is: 295,516.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,273.20 : 1,005,434.10 = 197,006.40 : x
  2. Step 2: Convert to fraction form
    670,273.20/1,005,434.10 = 197,006.40/x
  3. Step 3: Cross multiply
    670,273.20x = 1,005,434.10 × 197,006.40
  4. Step 4: Simplify right side
    670,273.20x = 198,076,952,478.24
  5. Step 5: Solve for x
    x = 198,076,952,478.24/670,273.20
  6. Step 6: Final answer
    x = 295,516.74

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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.