Home / 670,300.52-1,005,450.98-196,985.92

Finding the Fourth Proportional to 670,300.52, 1,005,450.98 and 196,985.92

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Solution

The fourth proportional to 670,300.52, 1,005,450.98 and 196,985.92 is: 295,478.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,300.52 : 1,005,450.98 = 196,985.92 : x
  2. Step 2: Convert to fraction form
    670,300.52/1,005,450.98 = 196,985.92/x
  3. Step 3: Cross multiply
    670,300.52x = 1,005,450.98 × 196,985.92
  4. Step 4: Simplify right side
    670,300.52x = 198,059,686,310.20
  5. Step 5: Solve for x
    x = 198,059,686,310.20/670,300.52
  6. Step 6: Final answer
    x = 295,478.94

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1.5x scale

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.