Home / 870,098.10-1,200,717.28-482,891.04

Finding the Fourth Proportional to 870,098.10, 1,200,717.28 and 482,891.04

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Solution

The fourth proportional to 870,098.10, 1,200,717.28 and 482,891.04 is: 666,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,098.10 : 1,200,717.28 = 482,891.04 : x
  2. Step 2: Convert to fraction form
    870,098.10/1,200,717.28 = 482,891.04/x
  3. Step 3: Cross multiply
    870,098.10x = 1,200,717.28 × 482,891.04
  4. Step 4: Simplify right side
    870,098.10x = 579,815,616,085.17
  5. Step 5: Solve for x
    x = 579,815,616,085.17/870,098.10
  6. Step 6: Final answer
    x = 666,379.59

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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.