Home / 972,455.70-1,340,382.62-650,048.16

Finding the Fourth Proportional to 972,455.70, 1,340,382.62 and 650,048.16

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Solution

The fourth proportional to 972,455.70, 1,340,382.62 and 650,048.16 is: 895,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,455.70 : 1,340,382.62 = 650,048.16 : x
  2. Step 2: Convert to fraction form
    972,455.70/1,340,382.62 = 650,048.16/x
  3. Step 3: Cross multiply
    972,455.70x = 1,340,382.62 × 650,048.16
  4. Step 4: Simplify right side
    972,455.70x = 871,313,255,826.98
  5. Step 5: Solve for x
    x = 871,313,255,826.98/972,455.70
  6. Step 6: Final answer
    x = 895,992.75

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1.5x scale

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.