Home / 790,709.85-1,091,156.27-446,559.89

Finding the Fourth Proportional to 790,709.85, 1,091,156.27 and 446,559.89

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Solution

The fourth proportional to 790,709.85, 1,091,156.27 and 446,559.89 is: 616,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,709.85 : 1,091,156.27 = 446,559.89 : x
  2. Step 2: Convert to fraction form
    790,709.85/1,091,156.27 = 446,559.89/x
  3. Step 3: Cross multiply
    790,709.85x = 1,091,156.27 × 446,559.89
  4. Step 4: Simplify right side
    790,709.85x = 487,266,616,215.43
  5. Step 5: Solve for x
    x = 487,266,616,215.43/790,709.85
  6. Step 6: Final answer
    x = 616,239.47

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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.