Home / 763,814.03-1,054,080.95-419,671.44

Finding the Fourth Proportional to 763,814.03, 1,054,080.95 and 419,671.44

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Solution

The fourth proportional to 763,814.03, 1,054,080.95 and 419,671.44 is: 579,156.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,814.03 : 1,054,080.95 = 419,671.44 : x
  2. Step 2: Convert to fraction form
    763,814.03/1,054,080.95 = 419,671.44/x
  3. Step 3: Cross multiply
    763,814.03x = 1,054,080.95 × 419,671.44
  4. Step 4: Simplify right side
    763,814.03x = 442,367,670,163.07
  5. Step 5: Solve for x
    x = 442,367,670,163.07/763,814.03
  6. Step 6: Final answer
    x = 579,156.25

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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.