Home / 759,021.30-1,138,718.79-534,819.57

Finding the Fourth Proportional to 759,021.30, 1,138,718.79 and 534,819.57

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Solution

The fourth proportional to 759,021.30, 1,138,718.79 and 534,819.57 is: 802,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,021.30 : 1,138,718.79 = 534,819.57 : x
  2. Step 2: Convert to fraction form
    759,021.30/1,138,718.79 = 534,819.57/x
  3. Step 3: Cross multiply
    759,021.30x = 1,138,718.79 × 534,819.57
  4. Step 4: Simplify right side
    759,021.30x = 609,009,093,618.72
  5. Step 5: Solve for x
    x = 609,009,093,618.72/759,021.30
  6. Step 6: Final answer
    x = 802,361.01

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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.