Home / 742,882.74-1,113,231.84-438,964.50

Finding the Fourth Proportional to 742,882.74, 1,113,231.84 and 438,964.50

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Solution

The fourth proportional to 742,882.74, 1,113,231.84 and 438,964.50 is: 657,801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,882.74 : 1,113,231.84 = 438,964.50 : x
  2. Step 2: Convert to fraction form
    742,882.74/1,113,231.84 = 438,964.50/x
  3. Step 3: Cross multiply
    742,882.74x = 1,113,231.84 × 438,964.50
  4. Step 4: Simplify right side
    742,882.74x = 488,669,258,029.68
  5. Step 5: Solve for x
    x = 488,669,258,029.68/742,882.74
  6. Step 6: Final answer
    x = 657,801.33

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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.