Home / 910,279.46-1,358,497.56-809,391.32

Finding the Fourth Proportional to 910,279.46, 1,358,497.56 and 809,391.32

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Solution

The fourth proportional to 910,279.46, 1,358,497.56 and 809,391.32 is: 1,207,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,279.46 : 1,358,497.56 = 809,391.32 : x
  2. Step 2: Convert to fraction form
    910,279.46/1,358,497.56 = 809,391.32/x
  3. Step 3: Cross multiply
    910,279.46x = 1,358,497.56 × 809,391.32
  4. Step 4: Simplify right side
    910,279.46x = 1,099,556,133,305.18
  5. Step 5: Solve for x
    x = 1,099,556,133,305.18/910,279.46
  6. Step 6: Final answer
    x = 1,207,932.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.