Home / 752,502.56-1,036,749.14-716,630.28

Finding the Fourth Proportional to 752,502.56, 1,036,749.14 and 716,630.28

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Solution

The fourth proportional to 752,502.56, 1,036,749.14 and 716,630.28 is: 987,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,502.56 : 1,036,749.14 = 716,630.28 : x
  2. Step 2: Convert to fraction form
    752,502.56/1,036,749.14 = 716,630.28/x
  3. Step 3: Cross multiply
    752,502.56x = 1,036,749.14 × 716,630.28
  4. Step 4: Simplify right side
    752,502.56x = 742,965,822,904.81
  5. Step 5: Solve for x
    x = 742,965,822,904.81/752,502.56
  6. Step 6: Final answer
    x = 987,326.64

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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.