Home / 690,342.44-1,035,573.48-210,678.23

Finding the Fourth Proportional to 690,342.44, 1,035,573.48 and 210,678.23

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Solution

The fourth proportional to 690,342.44, 1,035,573.48 and 210,678.23 is: 316,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,342.44 : 1,035,573.48 = 210,678.23 : x
  2. Step 2: Convert to fraction form
    690,342.44/1,035,573.48 = 210,678.23/x
  3. Step 3: Cross multiply
    690,342.44x = 1,035,573.48 × 210,678.23
  4. Step 4: Simplify right side
    690,342.44x = 218,172,782,623.47
  5. Step 5: Solve for x
    x = 218,172,782,623.47/690,342.44
  6. Step 6: Final answer
    x = 316,035.60

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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.