Home / 687,023.89-1,030,037.61-461,825.77

Finding the Fourth Proportional to 687,023.89, 1,030,037.61 and 461,825.77

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Solution

The fourth proportional to 687,023.89, 1,030,037.61 and 461,825.77 is: 692,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,023.89 : 1,030,037.61 = 461,825.77 : x
  2. Step 2: Convert to fraction form
    687,023.89/1,030,037.61 = 461,825.77/x
  3. Step 3: Cross multiply
    687,023.89x = 1,030,037.61 × 461,825.77
  4. Step 4: Simplify right side
    687,023.89x = 475,697,912,367.21
  5. Step 5: Solve for x
    x = 475,697,912,367.21/687,023.89
  6. Step 6: Final answer
    x = 692,403.74

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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.