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Finding the Fourth Proportional to 570,302.03, 786,992.04 and 315,638.03

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Solution

The fourth proportional to 570,302.03, 786,992.04 and 315,638.03 is: 435,566.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,302.03 : 786,992.04 = 315,638.03 : x
  2. Step 2: Convert to fraction form
    570,302.03/786,992.04 = 315,638.03/x
  3. Step 3: Cross multiply
    570,302.03x = 786,992.04 × 315,638.03
  4. Step 4: Simplify right side
    570,302.03x = 248,404,619,098.76
  5. Step 5: Solve for x
    x = 248,404,619,098.76/570,302.03
  6. Step 6: Final answer
    x = 435,566.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.