Home / 1,009,506.99-1,514,553.69-326,379.26

Finding the Fourth Proportional to 1,009,506.99, 1,514,553.69 and 326,379.26

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Solution

The fourth proportional to 1,009,506.99, 1,514,553.69 and 326,379.26 is: 489,663.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,506.99 : 1,514,553.69 = 326,379.26 : x
  2. Step 2: Convert to fraction form
    1,009,506.99/1,514,553.69 = 326,379.26/x
  3. Step 3: Cross multiply
    1,009,506.99x = 1,514,553.69 × 326,379.26
  4. Step 4: Simplify right side
    1,009,506.99x = 494,318,917,582.78
  5. Step 5: Solve for x
    x = 494,318,917,582.78/1,009,506.99
  6. Step 6: Final answer
    x = 489,663.69

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Double scale
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1.5x scale

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.