Home / 607,928.22-911,910.75-208,563.21

Finding the Fourth Proportional to 607,928.22, 911,910.75 and 208,563.21

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Solution

The fourth proportional to 607,928.22, 911,910.75 and 208,563.21 is: 312,851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,928.22 : 911,910.75 = 208,563.21 : x
  2. Step 2: Convert to fraction form
    607,928.22/911,910.75 = 208,563.21/x
  3. Step 3: Cross multiply
    607,928.22x = 911,910.75 × 208,563.21
  4. Step 4: Simplify right side
    607,928.22x = 190,191,033,253.51
  5. Step 5: Solve for x
    x = 190,191,033,253.51/607,928.22
  6. Step 6: Final answer
    x = 312,851.13

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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.