Home / 710,145.88-1,065,368.61-230,336.42

Finding the Fourth Proportional to 710,145.88, 1,065,368.61 and 230,336.42

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Solution

The fourth proportional to 710,145.88, 1,065,368.61 and 230,336.42 is: 345,553.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,145.88 : 1,065,368.61 = 230,336.42 : x
  2. Step 2: Convert to fraction form
    710,145.88/1,065,368.61 = 230,336.42/x
  3. Step 3: Cross multiply
    710,145.88x = 1,065,368.61 × 230,336.42
  4. Step 4: Simplify right side
    710,145.88x = 245,393,194,419.63
  5. Step 5: Solve for x
    x = 245,393,194,419.63/710,145.88
  6. Step 6: Final answer
    x = 345,553.22

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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.