Home / 738,556.80-1,019,203.20-436,744.32

Finding the Fourth Proportional to 738,556.80, 1,019,203.20 and 436,744.32

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Solution

The fourth proportional to 738,556.80, 1,019,203.20 and 436,744.32 is: 602,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,556.80 : 1,019,203.20 = 436,744.32 : x
  2. Step 2: Convert to fraction form
    738,556.80/1,019,203.20 = 436,744.32/x
  3. Step 3: Cross multiply
    738,556.80x = 1,019,203.20 × 436,744.32
  4. Step 4: Simplify right side
    738,556.80x = 445,131,208,525.82
  5. Step 5: Solve for x
    x = 445,131,208,525.82/738,556.80
  6. Step 6: Final answer
    x = 602,704.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.