Home / 743,714.42-1,026,296.98-404,175.38

Finding the Fourth Proportional to 743,714.42, 1,026,296.98 and 404,175.38

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Solution

The fourth proportional to 743,714.42, 1,026,296.98 and 404,175.38 is: 557,746.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,714.42 : 1,026,296.98 = 404,175.38 : x
  2. Step 2: Convert to fraction form
    743,714.42/1,026,296.98 = 404,175.38/x
  3. Step 3: Cross multiply
    743,714.42x = 1,026,296.98 × 404,175.38
  4. Step 4: Simplify right side
    743,714.42x = 414,803,971,884.35
  5. Step 5: Solve for x
    x = 414,803,971,884.35/743,714.42
  6. Step 6: Final answer
    x = 557,746.31

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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.