Home / 876,618.60-1,314,927.90-455,839.80

Finding the Fourth Proportional to 876,618.60, 1,314,927.90 and 455,839.80

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Solution

The fourth proportional to 876,618.60, 1,314,927.90 and 455,839.80 is: 683,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,618.60 : 1,314,927.90 = 455,839.80 : x
  2. Step 2: Convert to fraction form
    876,618.60/1,314,927.90 = 455,839.80/x
  3. Step 3: Cross multiply
    876,618.60x = 1,314,927.90 × 455,839.80
  4. Step 4: Simplify right side
    876,618.60x = 599,396,470,950.42
  5. Step 5: Solve for x
    x = 599,396,470,950.42/876,618.60
  6. Step 6: Final answer
    x = 683,759.70

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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.