Home / 690,293.26-1,035,510.59-264,187.45

Finding the Fourth Proportional to 690,293.26, 1,035,510.59 and 264,187.45

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Solution

The fourth proportional to 690,293.26, 1,035,510.59 and 264,187.45 is: 396,308.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,293.26 : 1,035,510.59 = 264,187.45 : x
  2. Step 2: Convert to fraction form
    690,293.26/1,035,510.59 = 264,187.45/x
  3. Step 3: Cross multiply
    690,293.26x = 1,035,510.59 × 264,187.45
  4. Step 4: Simplify right side
    690,293.26x = 273,568,902,220.10
  5. Step 5: Solve for x
    x = 273,568,902,220.10/690,293.26
  6. Step 6: Final answer
    x = 396,308.23

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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.