Home / 743,673.70-1,026,269.58-404,141.86

Finding the Fourth Proportional to 743,673.70, 1,026,269.58 and 404,141.86

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Solution

The fourth proportional to 743,673.70, 1,026,269.58 and 404,141.86 is: 557,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,673.70 : 1,026,269.58 = 404,141.86 : x
  2. Step 2: Convert to fraction form
    743,673.70/1,026,269.58 = 404,141.86/x
  3. Step 3: Cross multiply
    743,673.70x = 1,026,269.58 × 404,141.86
  4. Step 4: Simplify right side
    743,673.70x = 414,758,496,922.62
  5. Step 5: Solve for x
    x = 414,758,496,922.62/743,673.70
  6. Step 6: Final answer
    x = 557,715.70

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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.