Home / 896,348.40-1,343,708.82-447,206.64

Finding the Fourth Proportional to 896,348.40, 1,343,708.82 and 447,206.64

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Solution

The fourth proportional to 896,348.40, 1,343,708.82 and 447,206.64 is: 670,403.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,348.40 : 1,343,708.82 = 447,206.64 : x
  2. Step 2: Convert to fraction form
    896,348.40/1,343,708.82 = 447,206.64/x
  3. Step 3: Cross multiply
    896,348.40x = 1,343,708.82 × 447,206.64
  4. Step 4: Simplify right side
    896,348.40x = 600,915,506,530.57
  5. Step 5: Solve for x
    x = 600,915,506,530.57/896,348.40
  6. Step 6: Final answer
    x = 670,403.95

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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.