Home / 870,461.62-1,305,272.23-364,886.84

Finding the Fourth Proportional to 870,461.62, 1,305,272.23 and 364,886.84

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Solution

The fourth proportional to 870,461.62, 1,305,272.23 and 364,886.84 is: 547,154.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,461.62 : 1,305,272.23 = 364,886.84 : x
  2. Step 2: Convert to fraction form
    870,461.62/1,305,272.23 = 364,886.84/x
  3. Step 3: Cross multiply
    870,461.62x = 1,305,272.23 × 364,886.84
  4. Step 4: Simplify right side
    870,461.62x = 476,276,661,695.42
  5. Step 5: Solve for x
    x = 476,276,661,695.42/870,461.62
  6. Step 6: Final answer
    x = 547,154.12

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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.