Home / 859,269.44-1,286,941.87-410,306.35

Finding the Fourth Proportional to 859,269.44, 1,286,941.87 and 410,306.35

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Solution

The fourth proportional to 859,269.44, 1,286,941.87 and 410,306.35 is: 614,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,269.44 : 1,286,941.87 = 410,306.35 : x
  2. Step 2: Convert to fraction form
    859,269.44/1,286,941.87 = 410,306.35/x
  3. Step 3: Cross multiply
    859,269.44x = 1,286,941.87 × 410,306.35
  4. Step 4: Simplify right side
    859,269.44x = 528,040,421,341.88
  5. Step 5: Solve for x
    x = 528,040,421,341.88/859,269.44
  6. Step 6: Final answer
    x = 614,522.52

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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.