Home / 654,012.06-980,596.35-312,270.63

Finding the Fourth Proportional to 654,012.06, 980,596.35 and 312,270.63

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Solution

The fourth proportional to 654,012.06, 980,596.35 and 312,270.63 is: 468,204.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,012.06 : 980,596.35 = 312,270.63 : x
  2. Step 2: Convert to fraction form
    654,012.06/980,596.35 = 312,270.63/x
  3. Step 3: Cross multiply
    654,012.06x = 980,596.35 × 312,270.63
  4. Step 4: Simplify right side
    654,012.06x = 306,211,439,990.20
  5. Step 5: Solve for x
    x = 306,211,439,990.20/654,012.06
  6. Step 6: Final answer
    x = 468,204.58

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1.5x scale

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.