Home / 680,690.35-1,021,041.37-194,371.24

Finding the Fourth Proportional to 680,690.35, 1,021,041.37 and 194,371.24

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Solution

The fourth proportional to 680,690.35, 1,021,041.37 and 194,371.24 is: 291,558.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,690.35 : 1,021,041.37 = 194,371.24 : x
  2. Step 2: Convert to fraction form
    680,690.35/1,021,041.37 = 194,371.24/x
  3. Step 3: Cross multiply
    680,690.35x = 1,021,041.37 × 194,371.24
  4. Step 4: Simplify right side
    680,690.35x = 198,461,072,818.00
  5. Step 5: Solve for x
    x = 198,461,072,818.00/680,690.35
  6. Step 6: Final answer
    x = 291,558.52

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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.