Home / 1,022,900.55-1,534,295.35-312,928.65

Finding the Fourth Proportional to 1,022,900.55, 1,534,295.35 and 312,928.65

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Solution

The fourth proportional to 1,022,900.55, 1,534,295.35 and 312,928.65 is: 469,376.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,900.55 : 1,534,295.35 = 312,928.65 : x
  2. Step 2: Convert to fraction form
    1,022,900.55/1,534,295.35 = 312,928.65/x
  3. Step 3: Cross multiply
    1,022,900.55x = 1,534,295.35 × 312,928.65
  4. Step 4: Simplify right side
    1,022,900.55x = 480,124,972,576.78
  5. Step 5: Solve for x
    x = 480,124,972,576.78/1,022,900.55
  6. Step 6: Final answer
    x = 469,376.00

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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.