Home / 712,611.41-1,069,021.46-207,106.72

Finding the Fourth Proportional to 712,611.41, 1,069,021.46 and 207,106.72

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Solution

The fourth proportional to 712,611.41, 1,069,021.46 and 207,106.72 is: 310,690.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,611.41 : 1,069,021.46 = 207,106.72 : x
  2. Step 2: Convert to fraction form
    712,611.41/1,069,021.46 = 207,106.72/x
  3. Step 3: Cross multiply
    712,611.41x = 1,069,021.46 × 207,106.72
  4. Step 4: Simplify right side
    712,611.41x = 221,401,528,190.21
  5. Step 5: Solve for x
    x = 221,401,528,190.21/712,611.41
  6. Step 6: Final answer
    x = 310,690.41

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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.