Home / 680,539.20-1,020,808.80-175,099.20

Finding the Fourth Proportional to 680,539.20, 1,020,808.80 and 175,099.20

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Solution

The fourth proportional to 680,539.20, 1,020,808.80 and 175,099.20 is: 262,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,539.20 : 1,020,808.80 = 175,099.20 : x
  2. Step 2: Convert to fraction form
    680,539.20/1,020,808.80 = 175,099.20/x
  3. Step 3: Cross multiply
    680,539.20x = 1,020,808.80 × 175,099.20
  4. Step 4: Simplify right side
    680,539.20x = 178,742,804,232.96
  5. Step 5: Solve for x
    x = 178,742,804,232.96/680,539.20
  6. Step 6: Final answer
    x = 262,648.80

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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.