Home / 783,951.38-1,082,316.73-493,811.66

Finding the Fourth Proportional to 783,951.38, 1,082,316.73 and 493,811.66

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Solution

The fourth proportional to 783,951.38, 1,082,316.73 and 493,811.66 is: 681,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,951.38 : 1,082,316.73 = 493,811.66 : x
  2. Step 2: Convert to fraction form
    783,951.38/1,082,316.73 = 493,811.66/x
  3. Step 3: Cross multiply
    783,951.38x = 1,082,316.73 × 493,811.66
  4. Step 4: Simplify right side
    783,951.38x = 534,460,615,675.49
  5. Step 5: Solve for x
    x = 534,460,615,675.49/783,951.38
  6. Step 6: Final answer
    x = 681,752.25

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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.