Home / 837,274.69-1,155,469.49-479,647.81

Finding the Fourth Proportional to 837,274.69, 1,155,469.49 and 479,647.81

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Solution

The fourth proportional to 837,274.69, 1,155,469.49 and 479,647.81 is: 661,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,274.69 : 1,155,469.49 = 479,647.81 : x
  2. Step 2: Convert to fraction form
    837,274.69/1,155,469.49 = 479,647.81/x
  3. Step 3: Cross multiply
    837,274.69x = 1,155,469.49 × 479,647.81
  4. Step 4: Simplify right side
    837,274.69x = 554,218,410,400.32
  5. Step 5: Solve for x
    x = 554,218,410,400.32/837,274.69
  6. Step 6: Final answer
    x = 661,931.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.