Home / 751,818.22-1,128,287.94-302,543.08

Finding the Fourth Proportional to 751,818.22, 1,128,287.94 and 302,543.08

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Solution

The fourth proportional to 751,818.22, 1,128,287.94 and 302,543.08 is: 454,040.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,818.22 : 1,128,287.94 = 302,543.08 : x
  2. Step 2: Convert to fraction form
    751,818.22/1,128,287.94 = 302,543.08/x
  3. Step 3: Cross multiply
    751,818.22x = 1,128,287.94 × 302,543.08
  4. Step 4: Simplify right side
    751,818.22x = 341,355,708,494.46
  5. Step 5: Solve for x
    x = 341,355,708,494.46/751,818.22
  6. Step 6: Final answer
    x = 454,040.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.