Home / 873,323.20-1,205,173.67-491,349.07

Finding the Fourth Proportional to 873,323.20, 1,205,173.67 and 491,349.07

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Solution

The fourth proportional to 873,323.20, 1,205,173.67 and 491,349.07 is: 678,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,323.20 : 1,205,173.67 = 491,349.07 : x
  2. Step 2: Convert to fraction form
    873,323.20/1,205,173.67 = 491,349.07/x
  3. Step 3: Cross multiply
    873,323.20x = 1,205,173.67 × 491,349.07
  4. Step 4: Simplify right side
    873,323.20x = 592,160,961,942.99
  5. Step 5: Solve for x
    x = 592,160,961,942.99/873,323.20
  6. Step 6: Final answer
    x = 678,054.77

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