Home / 673,883.28-1,011,065.58-289,470.63

Finding the Fourth Proportional to 673,883.28, 1,011,065.58 and 289,470.63

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Solution

The fourth proportional to 673,883.28, 1,011,065.58 and 289,470.63 is: 434,309.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,883.28 : 1,011,065.58 = 289,470.63 : x
  2. Step 2: Convert to fraction form
    673,883.28/1,011,065.58 = 289,470.63/x
  3. Step 3: Cross multiply
    673,883.28x = 1,011,065.58 × 289,470.63
  4. Step 4: Simplify right side
    673,883.28x = 292,673,790,413.92
  5. Step 5: Solve for x
    x = 292,673,790,413.92/673,883.28
  6. Step 6: Final answer
    x = 434,309.32

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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.