Home / 687,889.01-1,033,208.71-414,881.01

Finding the Fourth Proportional to 687,889.01, 1,033,208.71 and 414,881.01

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Solution

The fourth proportional to 687,889.01, 1,033,208.71 and 414,881.01 is: 623,150.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,889.01 : 1,033,208.71 = 414,881.01 : x
  2. Step 2: Convert to fraction form
    687,889.01/1,033,208.71 = 414,881.01/x
  3. Step 3: Cross multiply
    687,889.01x = 1,033,208.71 × 414,881.01
  4. Step 4: Simplify right side
    687,889.01x = 428,658,673,145.60
  5. Step 5: Solve for x
    x = 428,658,673,145.60/687,889.01
  6. Step 6: Final answer
    x = 623,150.93

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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.