Home / 697,994.70-1,047,186.45-343,020.30

Finding the Fourth Proportional to 697,994.70, 1,047,186.45 and 343,020.30

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Solution

The fourth proportional to 697,994.70, 1,047,186.45 and 343,020.30 is: 514,625.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,994.70 : 1,047,186.45 = 343,020.30 : x
  2. Step 2: Convert to fraction form
    697,994.70/1,047,186.45 = 343,020.30/x
  3. Step 3: Cross multiply
    697,994.70x = 1,047,186.45 × 343,020.30
  4. Step 4: Simplify right side
    697,994.70x = 359,206,210,234.94
  5. Step 5: Solve for x
    x = 359,206,210,234.94/697,994.70
  6. Step 6: Final answer
    x = 514,625.99

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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.