Home / 952,366.72-1,428,550.80-287,518.72

Finding the Fourth Proportional to 952,366.72, 1,428,550.80 and 287,518.72

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Solution

The fourth proportional to 952,366.72, 1,428,550.80 and 287,518.72 is: 431,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,366.72 : 1,428,550.80 = 287,518.72 : x
  2. Step 2: Convert to fraction form
    952,366.72/1,428,550.80 = 287,518.72/x
  3. Step 3: Cross multiply
    952,366.72x = 1,428,550.80 × 287,518.72
  4. Step 4: Simplify right side
    952,366.72x = 410,735,097,470.98
  5. Step 5: Solve for x
    x = 410,735,097,470.98/952,366.72
  6. Step 6: Final answer
    x = 431,278.30

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1.5x scale

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.