Home / 759,313.50-1,047,874.50-419,803.62

Finding the Fourth Proportional to 759,313.50, 1,047,874.50 and 419,803.62

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Solution

The fourth proportional to 759,313.50, 1,047,874.50 and 419,803.62 is: 579,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,313.50 : 1,047,874.50 = 419,803.62 : x
  2. Step 2: Convert to fraction form
    759,313.50/1,047,874.50 = 419,803.62/x
  3. Step 3: Cross multiply
    759,313.50x = 1,047,874.50 × 419,803.62
  4. Step 4: Simplify right side
    759,313.50x = 439,901,508,405.69
  5. Step 5: Solve for x
    x = 439,901,508,405.69/759,313.50
  6. Step 6: Final answer
    x = 579,341.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.