Home / 900,514.31-1,348,606.78-515,095.03

Finding the Fourth Proportional to 900,514.31, 1,348,606.78 and 515,095.03

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Solution

The fourth proportional to 900,514.31, 1,348,606.78 and 515,095.03 is: 771,404.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,514.31 : 1,348,606.78 = 515,095.03 : x
  2. Step 2: Convert to fraction form
    900,514.31/1,348,606.78 = 515,095.03/x
  3. Step 3: Cross multiply
    900,514.31x = 1,348,606.78 × 515,095.03
  4. Step 4: Simplify right side
    900,514.31x = 694,660,644,347.01
  5. Step 5: Solve for x
    x = 694,660,644,347.01/900,514.31
  6. Step 6: Final answer
    x = 771,404.34

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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.