Home / 827,379.12-1,240,762.14-294,758.76

Finding the Fourth Proportional to 827,379.12, 1,240,762.14 and 294,758.76

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Solution

The fourth proportional to 827,379.12, 1,240,762.14 and 294,758.76 is: 442,028.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,379.12 : 1,240,762.14 = 294,758.76 : x
  2. Step 2: Convert to fraction form
    827,379.12/1,240,762.14 = 294,758.76/x
  3. Step 3: Cross multiply
    827,379.12x = 1,240,762.14 × 294,758.76
  4. Step 4: Simplify right side
    827,379.12x = 365,725,509,841.35
  5. Step 5: Solve for x
    x = 365,725,509,841.35/827,379.12
  6. Step 6: Final answer
    x = 442,028.93

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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.