Home / 808,094.40-1,115,149.68-445,509.78

Finding the Fourth Proportional to 808,094.40, 1,115,149.68 and 445,509.78

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Solution

The fourth proportional to 808,094.40, 1,115,149.68 and 445,509.78 is: 614,792.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,094.40 : 1,115,149.68 = 445,509.78 : x
  2. Step 2: Convert to fraction form
    808,094.40/1,115,149.68 = 445,509.78/x
  3. Step 3: Cross multiply
    808,094.40x = 1,115,149.68 × 445,509.78
  4. Step 4: Simplify right side
    808,094.40x = 496,810,088,603.87
  5. Step 5: Solve for x
    x = 496,810,088,603.87/808,094.40
  6. Step 6: Final answer
    x = 614,792.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.