Home / 727,996.74-1,004,638.87-422,254.14

Finding the Fourth Proportional to 727,996.74, 1,004,638.87 and 422,254.14

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Solution

The fourth proportional to 727,996.74, 1,004,638.87 and 422,254.14 is: 582,712.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,996.74 : 1,004,638.87 = 422,254.14 : x
  2. Step 2: Convert to fraction form
    727,996.74/1,004,638.87 = 422,254.14/x
  3. Step 3: Cross multiply
    727,996.74x = 1,004,638.87 × 422,254.14
  4. Step 4: Simplify right side
    727,996.74x = 424,212,922,062.42
  5. Step 5: Solve for x
    x = 424,212,922,062.42/727,996.74
  6. Step 6: Final answer
    x = 582,712.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.