Home / 784,651.50-1,177,152.21-286,015.50

Finding the Fourth Proportional to 784,651.50, 1,177,152.21 and 286,015.50

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Solution

The fourth proportional to 784,651.50, 1,177,152.21 and 286,015.50 is: 429,087.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,651.50 : 1,177,152.21 = 286,015.50 : x
  2. Step 2: Convert to fraction form
    784,651.50/1,177,152.21 = 286,015.50/x
  3. Step 3: Cross multiply
    784,651.50x = 1,177,152.21 × 286,015.50
  4. Step 4: Simplify right side
    784,651.50x = 336,683,777,919.26
  5. Step 5: Solve for x
    x = 336,683,777,919.26/784,651.50
  6. Step 6: Final answer
    x = 429,087.03

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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.