Home / 829,235.12-1,243,859.59-230,242.98

Finding the Fourth Proportional to 829,235.12, 1,243,859.59 and 230,242.98

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Solution

The fourth proportional to 829,235.12, 1,243,859.59 and 230,242.98 is: 345,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,235.12 : 1,243,859.59 = 230,242.98 : x
  2. Step 2: Convert to fraction form
    829,235.12/1,243,859.59 = 230,242.98/x
  3. Step 3: Cross multiply
    829,235.12x = 1,243,859.59 × 230,242.98
  4. Step 4: Simplify right side
    829,235.12x = 286,389,942,388.44
  5. Step 5: Solve for x
    x = 286,389,942,388.44/829,235.12
  6. Step 6: Final answer
    x = 345,366.40

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1.5x scale

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.