Home / 680,357.02-1,020,766.15-301,225.46

Finding the Fourth Proportional to 680,357.02, 1,020,766.15 and 301,225.46

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Solution

The fourth proportional to 680,357.02, 1,020,766.15 and 301,225.46 is: 451,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,357.02 : 1,020,766.15 = 301,225.46 : x
  2. Step 2: Convert to fraction form
    680,357.02/1,020,766.15 = 301,225.46/x
  3. Step 3: Cross multiply
    680,357.02x = 1,020,766.15 × 301,225.46
  4. Step 4: Simplify right side
    680,357.02x = 307,480,753,086.18
  5. Step 5: Solve for x
    x = 307,480,753,086.18/680,357.02
  6. Step 6: Final answer
    x = 451,940.30

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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.