Home / 778,036.96-1,166,774.63-328,792.53

Finding the Fourth Proportional to 778,036.96, 1,166,774.63 and 328,792.53

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Solution

The fourth proportional to 778,036.96, 1,166,774.63 and 328,792.53 is: 493,070.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,036.96 : 1,166,774.63 = 328,792.53 : x
  2. Step 2: Convert to fraction form
    778,036.96/1,166,774.63 = 328,792.53/x
  3. Step 3: Cross multiply
    778,036.96x = 1,166,774.63 × 328,792.53
  4. Step 4: Simplify right side
    778,036.96x = 383,626,785,268.96
  5. Step 5: Solve for x
    x = 383,626,785,268.96/778,036.96
  6. Step 6: Final answer
    x = 493,070.13

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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.