Home / 870,104.16-1,200,725.64-482,897.09

Finding the Fourth Proportional to 870,104.16, 1,200,725.64 and 482,897.09

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Solution

The fourth proportional to 870,104.16, 1,200,725.64 and 482,897.09 is: 666,387.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,104.16 : 1,200,725.64 = 482,897.09 : x
  2. Step 2: Convert to fraction form
    870,104.16/1,200,725.64 = 482,897.09/x
  3. Step 3: Cross multiply
    870,104.16x = 1,200,725.64 × 482,897.09
  4. Step 4: Simplify right side
    870,104.16x = 579,826,920,446.20
  5. Step 5: Solve for x
    x = 579,826,920,446.20/870,104.16
  6. Step 6: Final answer
    x = 666,387.94

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.