Home / 870,429.83-1,305,224.80-364,855.06

Finding the Fourth Proportional to 870,429.83, 1,305,224.80 and 364,855.06

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Solution

The fourth proportional to 870,429.83, 1,305,224.80 and 364,855.06 is: 547,106.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,429.83 : 1,305,224.80 = 364,855.06 : x
  2. Step 2: Convert to fraction form
    870,429.83/1,305,224.80 = 364,855.06/x
  3. Step 3: Cross multiply
    870,429.83x = 1,305,224.80 × 364,855.06
  4. Step 4: Simplify right side
    870,429.83x = 476,217,879,154.57
  5. Step 5: Solve for x
    x = 476,217,879,154.57/870,429.83
  6. Step 6: Final answer
    x = 547,106.57

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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.