Home / 915,288.15-1,263,237.46-584,287.07

Finding the Fourth Proportional to 915,288.15, 1,263,237.46 and 584,287.07

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Solution

The fourth proportional to 915,288.15, 1,263,237.46 and 584,287.07 is: 806,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,288.15 : 1,263,237.46 = 584,287.07 : x
  2. Step 2: Convert to fraction form
    915,288.15/1,263,237.46 = 584,287.07/x
  3. Step 3: Cross multiply
    915,288.15x = 1,263,237.46 × 584,287.07
  4. Step 4: Simplify right side
    915,288.15x = 738,093,313,546.45
  5. Step 5: Solve for x
    x = 738,093,313,546.45/915,288.15
  6. Step 6: Final answer
    x = 806,405.40

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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.