Home / 784,867.75-1,177,477.13-286,231.75

Finding the Fourth Proportional to 784,867.75, 1,177,477.13 and 286,231.75

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Solution

The fourth proportional to 784,867.75, 1,177,477.13 and 286,231.75 is: 429,411.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,867.75 : 1,177,477.13 = 286,231.75 : x
  2. Step 2: Convert to fraction form
    784,867.75/1,177,477.13 = 286,231.75/x
  3. Step 3: Cross multiply
    784,867.75x = 1,177,477.13 × 286,231.75
  4. Step 4: Simplify right side
    784,867.75x = 337,031,339,504.88
  5. Step 5: Solve for x
    x = 337,031,339,504.88/784,867.75
  6. Step 6: Final answer
    x = 429,411.63

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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.