Home / 778,036.77-1,166,774.34-328,792.35

Finding the Fourth Proportional to 778,036.77, 1,166,774.34 and 328,792.35

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Solution

The fourth proportional to 778,036.77, 1,166,774.34 and 328,792.35 is: 493,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,036.77 : 1,166,774.34 = 328,792.35 : x
  2. Step 2: Convert to fraction form
    778,036.77/1,166,774.34 = 328,792.35/x
  3. Step 3: Cross multiply
    778,036.77x = 1,166,774.34 × 328,792.35
  4. Step 4: Simplify right side
    778,036.77x = 383,626,477,168.30
  5. Step 5: Solve for x
    x = 383,626,477,168.30/778,036.77
  6. Step 6: Final answer
    x = 493,069.85

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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.