Home / 988,941.85-1,483,661.49-456,839.35

Finding the Fourth Proportional to 988,941.85, 1,483,661.49 and 456,839.35

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Solution

The fourth proportional to 988,941.85, 1,483,661.49 and 456,839.35 is: 685,373.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,941.85 : 1,483,661.49 = 456,839.35 : x
  2. Step 2: Convert to fraction form
    988,941.85/1,483,661.49 = 456,839.35/x
  3. Step 3: Cross multiply
    988,941.85x = 1,483,661.49 × 456,839.35
  4. Step 4: Simplify right side
    988,941.85x = 677,794,950,711.63
  5. Step 5: Solve for x
    x = 677,794,950,711.63/988,941.85
  6. Step 6: Final answer
    x = 685,373.92

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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.