Home / 856,784.34-1,283,133.60-496,193.31

Finding the Fourth Proportional to 856,784.34, 1,283,133.60 and 496,193.31

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Solution

The fourth proportional to 856,784.34, 1,283,133.60 and 496,193.31 is: 743,106.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,784.34 : 1,283,133.60 = 496,193.31 : x
  2. Step 2: Convert to fraction form
    856,784.34/1,283,133.60 = 496,193.31/x
  3. Step 3: Cross multiply
    856,784.34x = 1,283,133.60 × 496,193.31
  4. Step 4: Simplify right side
    856,784.34x = 636,682,308,156.22
  5. Step 5: Solve for x
    x = 636,682,308,156.22/856,784.34
  6. Step 6: Final answer
    x = 743,106.85

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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.