Home / 670,178.40-1,005,267.60-296,930.40

Finding the Fourth Proportional to 670,178.40, 1,005,267.60 and 296,930.40

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Solution

The fourth proportional to 670,178.40, 1,005,267.60 and 296,930.40 is: 445,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,178.40 : 1,005,267.60 = 296,930.40 : x
  2. Step 2: Convert to fraction form
    670,178.40/1,005,267.60 = 296,930.40/x
  3. Step 3: Cross multiply
    670,178.40x = 1,005,267.60 × 296,930.40
  4. Step 4: Simplify right side
    670,178.40x = 298,494,510,575.04
  5. Step 5: Solve for x
    x = 298,494,510,575.04/670,178.40
  6. Step 6: Final answer
    x = 445,395.60

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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.