Home / 870,769.44-1,306,528.56-450,340.32

Finding the Fourth Proportional to 870,769.44, 1,306,528.56 and 450,340.32

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Solution

The fourth proportional to 870,769.44, 1,306,528.56 and 450,340.32 is: 675,704.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,769.44 : 1,306,528.56 = 450,340.32 : x
  2. Step 2: Convert to fraction form
    870,769.44/1,306,528.56 = 450,340.32/x
  3. Step 3: Cross multiply
    870,769.44x = 1,306,528.56 × 450,340.32
  4. Step 4: Simplify right side
    870,769.44x = 588,382,489,799.54
  5. Step 5: Solve for x
    x = 588,382,489,799.54/870,769.44
  6. Step 6: Final answer
    x = 675,704.11

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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.