Home / 670,208.40-1,005,312.60-296,960.40

Finding the Fourth Proportional to 670,208.40, 1,005,312.60 and 296,960.40

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Solution

The fourth proportional to 670,208.40, 1,005,312.60 and 296,960.40 is: 445,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,208.40 : 1,005,312.60 = 296,960.40 : x
  2. Step 2: Convert to fraction form
    670,208.40/1,005,312.60 = 296,960.40/x
  3. Step 3: Cross multiply
    670,208.40x = 1,005,312.60 × 296,960.40
  4. Step 4: Simplify right side
    670,208.40x = 298,538,031,821.04
  5. Step 5: Solve for x
    x = 298,538,031,821.04/670,208.40
  6. Step 6: Final answer
    x = 445,440.60

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Similar ratio
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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.