Home / 690,883.35-1,036,636.06-374,866.71

Finding the Fourth Proportional to 690,883.35, 1,036,636.06 and 374,866.71

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Solution

The fourth proportional to 690,883.35, 1,036,636.06 and 374,866.71 is: 562,468.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,883.35 : 1,036,636.06 = 374,866.71 : x
  2. Step 2: Convert to fraction form
    690,883.35/1,036,636.06 = 374,866.71/x
  3. Step 3: Cross multiply
    690,883.35x = 1,036,636.06 × 374,866.71
  4. Step 4: Simplify right side
    690,883.35x = 388,600,349,279.56
  5. Step 5: Solve for x
    x = 388,600,349,279.56/690,883.35
  6. Step 6: Final answer
    x = 562,468.83

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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.