Home / 649,735.28-975,451.74-521,719.92

Finding the Fourth Proportional to 649,735.28, 975,451.74 and 521,719.92

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Solution

The fourth proportional to 649,735.28, 975,451.74 and 521,719.92 is: 783,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,735.28 : 975,451.74 = 521,719.92 : x
  2. Step 2: Convert to fraction form
    649,735.28/975,451.74 = 521,719.92/x
  3. Step 3: Cross multiply
    649,735.28x = 975,451.74 × 521,719.92
  4. Step 4: Simplify right side
    649,735.28x = 508,912,603,756.66
  5. Step 5: Solve for x
    x = 508,912,603,756.66/649,735.28
  6. Step 6: Final answer
    x = 783,261.46

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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.