Home / 687,744.32-1,030,274.42-450,367.34

Finding the Fourth Proportional to 687,744.32, 1,030,274.42 and 450,367.34

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Solution

The fourth proportional to 687,744.32, 1,030,274.42 and 450,367.34 is: 674,672.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,744.32 : 1,030,274.42 = 450,367.34 : x
  2. Step 2: Convert to fraction form
    687,744.32/1,030,274.42 = 450,367.34/x
  3. Step 3: Cross multiply
    687,744.32x = 1,030,274.42 × 450,367.34
  4. Step 4: Simplify right side
    687,744.32x = 464,001,942,602.23
  5. Step 5: Solve for x
    x = 464,001,942,602.23/687,744.32
  6. Step 6: Final answer
    x = 674,672.16

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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.