Home / 980,263.31-1,470,485.67-381,269.93

Finding the Fourth Proportional to 980,263.31, 1,470,485.67 and 381,269.93

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Solution

The fourth proportional to 980,263.31, 1,470,485.67 and 381,269.93 is: 571,940.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,263.31 : 1,470,485.67 = 381,269.93 : x
  2. Step 2: Convert to fraction form
    980,263.31/1,470,485.67 = 381,269.93/x
  3. Step 3: Cross multiply
    980,263.31x = 1,470,485.67 × 381,269.93
  4. Step 4: Simplify right side
    980,263.31x = 560,651,961,114.48
  5. Step 5: Solve for x
    x = 560,651,961,114.48/980,263.31
  6. Step 6: Final answer
    x = 571,940.17

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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.