Home / 687,023.82-1,030,037.50-461,825.70

Finding the Fourth Proportional to 687,023.82, 1,030,037.50 and 461,825.70

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Solution

The fourth proportional to 687,023.82, 1,030,037.50 and 461,825.70 is: 692,403.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,023.82 : 1,030,037.50 = 461,825.70 : x
  2. Step 2: Convert to fraction form
    687,023.82/1,030,037.50 = 461,825.70/x
  3. Step 3: Cross multiply
    687,023.82x = 1,030,037.50 × 461,825.70
  4. Step 4: Simplify right side
    687,023.82x = 475,697,789,463.75
  5. Step 5: Solve for x
    x = 475,697,789,463.75/687,023.82
  6. Step 6: Final answer
    x = 692,403.63

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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.