Home / 1,009,508.75-1,514,556.32-326,381.01

Finding the Fourth Proportional to 1,009,508.75, 1,514,556.32 and 326,381.01

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Solution

The fourth proportional to 1,009,508.75, 1,514,556.32 and 326,381.01 is: 489,666.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,508.75 : 1,514,556.32 = 326,381.01 : x
  2. Step 2: Convert to fraction form
    1,009,508.75/1,514,556.32 = 326,381.01/x
  3. Step 3: Cross multiply
    1,009,508.75x = 1,514,556.32 × 326,381.01
  4. Step 4: Simplify right side
    1,009,508.75x = 494,322,421,423.48
  5. Step 5: Solve for x
    x = 494,322,421,423.48/1,009,508.75
  6. Step 6: Final answer
    x = 489,666.31

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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.