Home / 990,874.33-1,367,323.09-549,360.72

Finding the Fourth Proportional to 990,874.33, 1,367,323.09 and 549,360.72

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Solution

The fourth proportional to 990,874.33, 1,367,323.09 and 549,360.72 is: 758,071.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,874.33 : 1,367,323.09 = 549,360.72 : x
  2. Step 2: Convert to fraction form
    990,874.33/1,367,323.09 = 549,360.72/x
  3. Step 3: Cross multiply
    990,874.33x = 1,367,323.09 × 549,360.72
  4. Step 4: Simplify right side
    990,874.33x = 751,153,590,358.41
  5. Step 5: Solve for x
    x = 751,153,590,358.41/990,874.33
  6. Step 6: Final answer
    x = 758,071.50

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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.