Home / 880,899.39-1,215,620.46-513,352.98

Finding the Fourth Proportional to 880,899.39, 1,215,620.46 and 513,352.98

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Solution

The fourth proportional to 880,899.39, 1,215,620.46 and 513,352.98 is: 708,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,899.39 : 1,215,620.46 = 513,352.98 : x
  2. Step 2: Convert to fraction form
    880,899.39/1,215,620.46 = 513,352.98/x
  3. Step 3: Cross multiply
    880,899.39x = 1,215,620.46 × 513,352.98
  4. Step 4: Simplify right side
    880,899.39x = 624,042,385,689.97
  5. Step 5: Solve for x
    x = 624,042,385,689.97/880,899.39
  6. Step 6: Final answer
    x = 708,415.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.