Home / 827,758.40-1,142,618.76-483,706.17

Finding the Fourth Proportional to 827,758.40, 1,142,618.76 and 483,706.17

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Solution

The fourth proportional to 827,758.40, 1,142,618.76 and 483,706.17 is: 667,696.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,758.40 : 1,142,618.76 = 483,706.17 : x
  2. Step 2: Convert to fraction form
    827,758.40/1,142,618.76 = 483,706.17/x
  3. Step 3: Cross multiply
    827,758.40x = 1,142,618.76 × 483,706.17
  4. Step 4: Simplify right side
    827,758.40x = 552,691,744,169.75
  5. Step 5: Solve for x
    x = 552,691,744,169.75/827,758.40
  6. Step 6: Final answer
    x = 667,696.94

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1.5x scale

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.