Home / 903,520.80-1,355,406.12-304,653.24

Finding the Fourth Proportional to 903,520.80, 1,355,406.12 and 304,653.24

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Solution

The fourth proportional to 903,520.80, 1,355,406.12 and 304,653.24 is: 457,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,520.80 : 1,355,406.12 = 304,653.24 : x
  2. Step 2: Convert to fraction form
    903,520.80/1,355,406.12 = 304,653.24/x
  3. Step 3: Cross multiply
    903,520.80x = 1,355,406.12 × 304,653.24
  4. Step 4: Simplify right side
    903,520.80x = 412,928,865,973.83
  5. Step 5: Solve for x
    x = 412,928,865,973.83/903,520.80
  6. Step 6: Final answer
    x = 457,021.98

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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.