Home / 876,851.10-1,314,620.55-477,942.30

Finding the Fourth Proportional to 876,851.10, 1,314,620.55 and 477,942.30

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Solution

The fourth proportional to 876,851.10, 1,314,620.55 and 477,942.30 is: 716,555.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,851.10 : 1,314,620.55 = 477,942.30 : x
  2. Step 2: Convert to fraction form
    876,851.10/1,314,620.55 = 477,942.30/x
  3. Step 3: Cross multiply
    876,851.10x = 1,314,620.55 × 477,942.30
  4. Step 4: Simplify right side
    876,851.10x = 628,312,769,294.27
  5. Step 5: Solve for x
    x = 628,312,769,294.27/876,851.10
  6. Step 6: Final answer
    x = 716,555.83

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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.