Home / 912,273.73-1,367,082-438,405.50

Finding the Fourth Proportional to 912,273.73, 1,367,082 and 438,405.50

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Solution

The fourth proportional to 912,273.73, 1,367,082 and 438,405.50 is: 656,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,273.73 : 1,367,082 = 438,405.50 : x
  2. Step 2: Convert to fraction form
    912,273.73/1,367,082 = 438,405.50/x
  3. Step 3: Cross multiply
    912,273.73x = 1,367,082 × 438,405.50
  4. Step 4: Simplify right side
    912,273.73x = 599,336,271,168.71
  5. Step 5: Solve for x
    x = 599,336,271,168.71/912,273.73
  6. Step 6: Final answer
    x = 656,969.78

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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.