Home / 751,557.09-1,127,055.78-302,126.70

Finding the Fourth Proportional to 751,557.09, 1,127,055.78 and 302,126.70

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Solution

The fourth proportional to 751,557.09, 1,127,055.78 and 302,126.70 is: 453,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,557.09 : 1,127,055.78 = 302,126.70 : x
  2. Step 2: Convert to fraction form
    751,557.09/1,127,055.78 = 302,126.70/x
  3. Step 3: Cross multiply
    751,557.09x = 1,127,055.78 × 302,126.70
  4. Step 4: Simplify right side
    751,557.09x = 340,513,643,527.33
  5. Step 5: Solve for x
    x = 340,513,643,527.33/751,557.09
  6. Step 6: Final answer
    x = 453,077.55

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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.