Home / 870,343.59-1,305,453.72-230,633.16

Finding the Fourth Proportional to 870,343.59, 1,305,453.72 and 230,633.16

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Solution

The fourth proportional to 870,343.59, 1,305,453.72 and 230,633.16 is: 345,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,343.59 : 1,305,453.72 = 230,633.16 : x
  2. Step 2: Convert to fraction form
    870,343.59/1,305,453.72 = 230,633.16/x
  3. Step 3: Cross multiply
    870,343.59x = 1,305,453.72 × 230,633.16
  4. Step 4: Simplify right side
    870,343.59x = 301,080,916,677.36
  5. Step 5: Solve for x
    x = 301,080,916,677.36/870,343.59
  6. Step 6: Final answer
    x = 345,933.40

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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.