Home / 767,868.80-1,151,284.80-408,099.20

Finding the Fourth Proportional to 767,868.80, 1,151,284.80 and 408,099.20

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Solution

The fourth proportional to 767,868.80, 1,151,284.80 and 408,099.20 is: 611,873.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,868.80 : 1,151,284.80 = 408,099.20 : x
  2. Step 2: Convert to fraction form
    767,868.80/1,151,284.80 = 408,099.20/x
  3. Step 3: Cross multiply
    767,868.80x = 1,151,284.80 × 408,099.20
  4. Step 4: Simplify right side
    767,868.80x = 469,838,405,852.16
  5. Step 5: Solve for x
    x = 469,838,405,852.16/767,868.80
  6. Step 6: Final answer
    x = 611,873.29

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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.