Home / 931,408.65-1,394,328.20-570,442.82

Finding the Fourth Proportional to 931,408.65, 1,394,328.20 and 570,442.82

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Solution

The fourth proportional to 931,408.65, 1,394,328.20 and 570,442.82 is: 853,958.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,408.65 : 1,394,328.20 = 570,442.82 : x
  2. Step 2: Convert to fraction form
    931,408.65/1,394,328.20 = 570,442.82/x
  3. Step 3: Cross multiply
    931,408.65x = 1,394,328.20 × 570,442.82
  4. Step 4: Simplify right side
    931,408.65x = 795,384,500,589.67
  5. Step 5: Solve for x
    x = 795,384,500,589.67/931,408.65
  6. Step 6: Final answer
    x = 853,958.68

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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.