Home / 758,626.09-1,046,814.74-419,074.09

Finding the Fourth Proportional to 758,626.09, 1,046,814.74 and 419,074.09

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Solution

The fourth proportional to 758,626.09, 1,046,814.74 and 419,074.09 is: 578,272.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,626.09 : 1,046,814.74 = 419,074.09 : x
  2. Step 2: Convert to fraction form
    758,626.09/1,046,814.74 = 419,074.09/x
  3. Step 3: Cross multiply
    758,626.09x = 1,046,814.74 × 419,074.09
  4. Step 4: Simplify right side
    758,626.09x = 438,692,929,330.01
  5. Step 5: Solve for x
    x = 438,692,929,330.01/758,626.09
  6. Step 6: Final answer
    x = 578,272.93

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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.