Home / 859,885.04-1,289,683.56-260,702.96

Finding the Fourth Proportional to 859,885.04, 1,289,683.56 and 260,702.96

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Solution

The fourth proportional to 859,885.04, 1,289,683.56 and 260,702.96 is: 391,010.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,885.04 : 1,289,683.56 = 260,702.96 : x
  2. Step 2: Convert to fraction form
    859,885.04/1,289,683.56 = 260,702.96/x
  3. Step 3: Cross multiply
    859,885.04x = 1,289,683.56 × 260,702.96
  4. Step 4: Simplify right side
    859,885.04x = 336,224,321,555.34
  5. Step 5: Solve for x
    x = 336,224,321,555.34/859,885.04
  6. Step 6: Final answer
    x = 391,010.78

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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.