Home / 607,458.20-911,187.30-465,740.60

Finding the Fourth Proportional to 607,458.20, 911,187.30 and 465,740.60

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Solution

The fourth proportional to 607,458.20, 911,187.30 and 465,740.60 is: 698,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,458.20 : 911,187.30 = 465,740.60 : x
  2. Step 2: Convert to fraction form
    607,458.20/911,187.30 = 465,740.60/x
  3. Step 3: Cross multiply
    607,458.20x = 911,187.30 × 465,740.60
  4. Step 4: Simplify right side
    607,458.20x = 424,376,919,814.38
  5. Step 5: Solve for x
    x = 424,376,919,814.38/607,458.20
  6. Step 6: Final answer
    x = 698,610.90

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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.