Home / 725,762.89-1,089,064.14-299,219.21

Finding the Fourth Proportional to 725,762.89, 1,089,064.14 and 299,219.21

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Solution

The fourth proportional to 725,762.89, 1,089,064.14 and 299,219.21 is: 449,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,762.89 : 1,089,064.14 = 299,219.21 : x
  2. Step 2: Convert to fraction form
    725,762.89/1,089,064.14 = 299,219.21/x
  3. Step 3: Cross multiply
    725,762.89x = 1,089,064.14 × 299,219.21
  4. Step 4: Simplify right side
    725,762.89x = 325,868,915,252.71
  5. Step 5: Solve for x
    x = 325,868,915,252.71/725,762.89
  6. Step 6: Final answer
    x = 449,001.90

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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.