Home / 784,483.25-1,176,722.94-442,771.77

Finding the Fourth Proportional to 784,483.25, 1,176,722.94 and 442,771.77

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Solution

The fourth proportional to 784,483.25, 1,176,722.94 and 442,771.77 is: 664,156.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,483.25 : 1,176,722.94 = 442,771.77 : x
  2. Step 2: Convert to fraction form
    784,483.25/1,176,722.94 = 442,771.77/x
  3. Step 3: Cross multiply
    784,483.25x = 1,176,722.94 × 442,771.77
  4. Step 4: Simplify right side
    784,483.25x = 521,019,698,943.40
  5. Step 5: Solve for x
    x = 521,019,698,943.40/784,483.25
  6. Step 6: Final answer
    x = 664,156.56

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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.