Home / 687,025.15-1,030,039.49-461,827.02

Finding the Fourth Proportional to 687,025.15, 1,030,039.49 and 461,827.02

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Solution

The fourth proportional to 687,025.15, 1,030,039.49 and 461,827.02 is: 692,405.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,025.15 : 1,030,039.49 = 461,827.02 : x
  2. Step 2: Convert to fraction form
    687,025.15/1,030,039.49 = 461,827.02/x
  3. Step 3: Cross multiply
    687,025.15x = 1,030,039.49 × 461,827.02
  4. Step 4: Simplify right side
    687,025.15x = 475,700,068,149.02
  5. Step 5: Solve for x
    x = 475,700,068,149.02/687,025.15
  6. Step 6: Final answer
    x = 692,405.61

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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.