Home / 557,136.30-836,181.60-552,942.72

Finding the Fourth Proportional to 557,136.30, 836,181.60 and 552,942.72

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Solution

The fourth proportional to 557,136.30, 836,181.60 and 552,942.72 is: 829,887.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,136.30 : 836,181.60 = 552,942.72 : x
  2. Step 2: Convert to fraction form
    557,136.30/836,181.60 = 552,942.72/x
  3. Step 3: Cross multiply
    557,136.30x = 836,181.60 × 552,942.72
  4. Step 4: Simplify right side
    557,136.30x = 462,360,528,317.95
  5. Step 5: Solve for x
    x = 462,360,528,317.95/557,136.30
  6. Step 6: Final answer
    x = 829,887.64

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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.