Home / 742,771.41-1,025,028.74-436,860.69

Finding the Fourth Proportional to 742,771.41, 1,025,028.74 and 436,860.69

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Solution

The fourth proportional to 742,771.41, 1,025,028.74 and 436,860.69 is: 602,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,771.41 : 1,025,028.74 = 436,860.69 : x
  2. Step 2: Convert to fraction form
    742,771.41/1,025,028.74 = 436,860.69/x
  3. Step 3: Cross multiply
    742,771.41x = 1,025,028.74 × 436,860.69
  4. Step 4: Simplify right side
    742,771.41x = 447,794,758,236.30
  5. Step 5: Solve for x
    x = 447,794,758,236.30/742,771.41
  6. Step 6: Final answer
    x = 602,870.21

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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.