Home / 736,904.80-1,105,357.20-263,605.60

Finding the Fourth Proportional to 736,904.80, 1,105,357.20 and 263,605.60

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Solution

The fourth proportional to 736,904.80, 1,105,357.20 and 263,605.60 is: 395,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,904.80 : 1,105,357.20 = 263,605.60 : x
  2. Step 2: Convert to fraction form
    736,904.80/1,105,357.20 = 263,605.60/x
  3. Step 3: Cross multiply
    736,904.80x = 1,105,357.20 × 263,605.60
  4. Step 4: Simplify right side
    736,904.80x = 291,378,347,920.32
  5. Step 5: Solve for x
    x = 291,378,347,920.32/736,904.80
  6. Step 6: Final answer
    x = 395,408.40

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Similar ratio
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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.