Home / 779,710.80-1,170,222.30-306,735.60

Finding the Fourth Proportional to 779,710.80, 1,170,222.30 and 306,735.60

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Solution

The fourth proportional to 779,710.80, 1,170,222.30 and 306,735.60 is: 460,361.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,710.80 : 1,170,222.30 = 306,735.60 : x
  2. Step 2: Convert to fraction form
    779,710.80/1,170,222.30 = 306,735.60/x
  3. Step 3: Cross multiply
    779,710.80x = 1,170,222.30 × 306,735.60
  4. Step 4: Simplify right side
    779,710.80x = 358,948,839,323.88
  5. Step 5: Solve for x
    x = 358,948,839,323.88/779,710.80
  6. Step 6: Final answer
    x = 460,361.51

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Double scale
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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.