Home / 688,847.89-1,033,282.36-262,407.39

Finding the Fourth Proportional to 688,847.89, 1,033,282.36 and 262,407.39

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Solution

The fourth proportional to 688,847.89, 1,033,282.36 and 262,407.39 is: 393,615.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,847.89 : 1,033,282.36 = 262,407.39 : x
  2. Step 2: Convert to fraction form
    688,847.89/1,033,282.36 = 262,407.39/x
  3. Step 3: Cross multiply
    688,847.89x = 1,033,282.36 × 262,407.39
  4. Step 4: Simplify right side
    688,847.89x = 271,140,920,742.19
  5. Step 5: Solve for x
    x = 271,140,920,742.19/688,847.89
  6. Step 6: Final answer
    x = 393,615.09

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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.