Home / 778,045.79-1,166,787.83-328,801.37

Finding the Fourth Proportional to 778,045.79, 1,166,787.83 and 328,801.37

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Solution

The fourth proportional to 778,045.79, 1,166,787.83 and 328,801.37 is: 493,083.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,045.79 : 1,166,787.83 = 328,801.37 : x
  2. Step 2: Convert to fraction form
    778,045.79/1,166,787.83 = 328,801.37/x
  3. Step 3: Cross multiply
    778,045.79x = 1,166,787.83 × 328,801.37
  4. Step 4: Simplify right side
    778,045.79x = 383,641,429,525.38
  5. Step 5: Solve for x
    x = 383,641,429,525.38/778,045.79
  6. Step 6: Final answer
    x = 493,083.36

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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.