Home / 779,968.90-1,170,172.05-330,904.90

Finding the Fourth Proportional to 779,968.90, 1,170,172.05 and 330,904.90

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Solution

The fourth proportional to 779,968.90, 1,170,172.05 and 330,904.90 is: 496,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,968.90 : 1,170,172.05 = 330,904.90 : x
  2. Step 2: Convert to fraction form
    779,968.90/1,170,172.05 = 330,904.90/x
  3. Step 3: Cross multiply
    779,968.90x = 1,170,172.05 × 330,904.90
  4. Step 4: Simplify right side
    779,968.90x = 387,215,665,188.05
  5. Step 5: Solve for x
    x = 387,215,665,188.05/779,968.90
  6. Step 6: Final answer
    x = 496,450.13

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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.