Home / 687,145.07-1,030,219.26-461,946.85

Finding the Fourth Proportional to 687,145.07, 1,030,219.26 and 461,946.85

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Solution

The fourth proportional to 687,145.07, 1,030,219.26 and 461,946.85 is: 692,585.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,145.07 : 1,030,219.26 = 461,946.85 : x
  2. Step 2: Convert to fraction form
    687,145.07/1,030,219.26 = 461,946.85/x
  3. Step 3: Cross multiply
    687,145.07x = 1,030,219.26 × 461,946.85
  4. Step 4: Simplify right side
    687,145.07x = 475,906,537,658.48
  5. Step 5: Solve for x
    x = 475,906,537,658.48/687,145.07
  6. Step 6: Final answer
    x = 692,585.24

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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.