Home / 820,034.64-1,230,048.12-259,068.24

Finding the Fourth Proportional to 820,034.64, 1,230,048.12 and 259,068.24

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Solution

The fourth proportional to 820,034.64, 1,230,048.12 and 259,068.24 is: 388,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,034.64 : 1,230,048.12 = 259,068.24 : x
  2. Step 2: Convert to fraction form
    820,034.64/1,230,048.12 = 259,068.24/x
  3. Step 3: Cross multiply
    820,034.64x = 1,230,048.12 × 259,068.24
  4. Step 4: Simplify right side
    820,034.64x = 318,666,401,563.71
  5. Step 5: Solve for x
    x = 318,666,401,563.71/820,034.64
  6. Step 6: Final answer
    x = 388,601.15

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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.