Home / 670,780.70-1,005,824.82-197,404.64

Finding the Fourth Proportional to 670,780.70, 1,005,824.82 and 197,404.64

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Solution

The fourth proportional to 670,780.70, 1,005,824.82 and 197,404.64 is: 296,005.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,780.70 : 1,005,824.82 = 197,404.64 : x
  2. Step 2: Convert to fraction form
    670,780.70/1,005,824.82 = 197,404.64/x
  3. Step 3: Cross multiply
    670,780.70x = 1,005,824.82 × 197,404.64
  4. Step 4: Simplify right side
    670,780.70x = 198,554,486,495.17
  5. Step 5: Solve for x
    x = 198,554,486,495.17/670,780.70
  6. Step 6: Final answer
    x = 296,005.07

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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.