Home / 913,330.07-1,370,135.22-662,504.45

Finding the Fourth Proportional to 913,330.07, 1,370,135.22 and 662,504.45

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Solution

The fourth proportional to 913,330.07, 1,370,135.22 and 662,504.45 is: 993,858.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,330.07 : 1,370,135.22 = 662,504.45 : x
  2. Step 2: Convert to fraction form
    913,330.07/1,370,135.22 = 662,504.45/x
  3. Step 3: Cross multiply
    913,330.07x = 1,370,135.22 × 662,504.45
  4. Step 4: Simplify right side
    913,330.07x = 907,720,673,501.05
  5. Step 5: Solve for x
    x = 907,720,673,501.05/913,330.07
  6. Step 6: Final answer
    x = 993,858.31

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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.