Home / 607,621.42-911,505.03-208,333.54

Finding the Fourth Proportional to 607,621.42, 911,505.03 and 208,333.54

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Solution

The fourth proportional to 607,621.42, 911,505.03 and 208,333.54 is: 312,525.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,621.42 : 911,505.03 = 208,333.54 : x
  2. Step 2: Convert to fraction form
    607,621.42/911,505.03 = 208,333.54/x
  3. Step 3: Cross multiply
    607,621.42x = 911,505.03 × 208,333.54
  4. Step 4: Simplify right side
    607,621.42x = 189,897,069,627.71
  5. Step 5: Solve for x
    x = 189,897,069,627.71/607,621.42
  6. Step 6: Final answer
    x = 312,525.31

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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.