Home / 680,501.70-1,020,711.24-301,311.54

Finding the Fourth Proportional to 680,501.70, 1,020,711.24 and 301,311.54

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Solution

The fourth proportional to 680,501.70, 1,020,711.24 and 301,311.54 is: 451,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,501.70 : 1,020,711.24 = 301,311.54 : x
  2. Step 2: Convert to fraction form
    680,501.70/1,020,711.24 = 301,311.54/x
  3. Step 3: Cross multiply
    680,501.70x = 1,020,711.24 × 301,311.54
  4. Step 4: Simplify right side
    680,501.70x = 307,552,075,619.71
  5. Step 5: Solve for x
    x = 307,552,075,619.71/680,501.70
  6. Step 6: Final answer
    x = 451,949.02

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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.