Home / 775,117.79-1,162,601.48-235,378.71

Finding the Fourth Proportional to 775,117.79, 1,162,601.48 and 235,378.71

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Solution

The fourth proportional to 775,117.79, 1,162,601.48 and 235,378.71 is: 353,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,117.79 : 1,162,601.48 = 235,378.71 : x
  2. Step 2: Convert to fraction form
    775,117.79/1,162,601.48 = 235,378.71/x
  3. Step 3: Cross multiply
    775,117.79x = 1,162,601.48 × 235,378.71
  4. Step 4: Simplify right side
    775,117.79x = 273,651,635,429.60
  5. Step 5: Solve for x
    x = 273,651,635,429.60/775,117.79
  6. Step 6: Final answer
    x = 353,045.23

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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.