Home / 756,276.32-1,043,668.32-416,756.72

Finding the Fourth Proportional to 756,276.32, 1,043,668.32 and 416,756.72

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Solution

The fourth proportional to 756,276.32, 1,043,668.32 and 416,756.72 is: 575,128.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,276.32 : 1,043,668.32 = 416,756.72 : x
  2. Step 2: Convert to fraction form
    756,276.32/1,043,668.32 = 416,756.72/x
  3. Step 3: Cross multiply
    756,276.32x = 1,043,668.32 × 416,756.72
  4. Step 4: Simplify right side
    756,276.32x = 434,955,785,811.11
  5. Step 5: Solve for x
    x = 434,955,785,811.11/756,276.32
  6. Step 6: Final answer
    x = 575,128.13

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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.