Home / 913,646.27-1,370,749.71-408,632.06

Finding the Fourth Proportional to 913,646.27, 1,370,749.71 and 408,632.06

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Solution

The fourth proportional to 913,646.27, 1,370,749.71 and 408,632.06 is: 613,073.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,646.27 : 1,370,749.71 = 408,632.06 : x
  2. Step 2: Convert to fraction form
    913,646.27/1,370,749.71 = 408,632.06/x
  3. Step 3: Cross multiply
    913,646.27x = 1,370,749.71 × 408,632.06
  4. Step 4: Simplify right side
    913,646.27x = 560,132,277,741.70
  5. Step 5: Solve for x
    x = 560,132,277,741.70/913,646.27
  6. Step 6: Final answer
    x = 613,073.46

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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.