Home / 712,511.82-1,068,837.90-207,077.21

Finding the Fourth Proportional to 712,511.82, 1,068,837.90 and 207,077.21

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Solution

The fourth proportional to 712,511.82, 1,068,837.90 and 207,077.21 is: 310,636.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,511.82 : 1,068,837.90 = 207,077.21 : x
  2. Step 2: Convert to fraction form
    712,511.82/1,068,837.90 = 207,077.21/x
  3. Step 3: Cross multiply
    712,511.82x = 1,068,837.90 × 207,077.21
  4. Step 4: Simplify right side
    712,511.82x = 221,331,968,161.67
  5. Step 5: Solve for x
    x = 221,331,968,161.67/712,511.82
  6. Step 6: Final answer
    x = 310,636.21

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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.