Home / 903,293.70-1,355,122.80-263,596.20

Finding the Fourth Proportional to 903,293.70, 1,355,122.80 and 263,596.20

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Solution

The fourth proportional to 903,293.70, 1,355,122.80 and 263,596.20 is: 395,447.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,293.70 : 1,355,122.80 = 263,596.20 : x
  2. Step 2: Convert to fraction form
    903,293.70/1,355,122.80 = 263,596.20/x
  3. Step 3: Cross multiply
    903,293.70x = 1,355,122.80 × 263,596.20
  4. Step 4: Simplify right side
    903,293.70x = 357,205,220,613.36
  5. Step 5: Solve for x
    x = 357,205,220,613.36/903,293.70
  6. Step 6: Final answer
    x = 395,447.48

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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.