Home / 840,062.79-1,260,514.44-384,653.01

Finding the Fourth Proportional to 840,062.79, 1,260,514.44 and 384,653.01

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Solution

The fourth proportional to 840,062.79, 1,260,514.44 and 384,653.01 is: 577,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,062.79 : 1,260,514.44 = 384,653.01 : x
  2. Step 2: Convert to fraction form
    840,062.79/1,260,514.44 = 384,653.01/x
  3. Step 3: Cross multiply
    840,062.79x = 1,260,514.44 × 384,653.01
  4. Step 4: Simplify right side
    840,062.79x = 484,860,673,494.46
  5. Step 5: Solve for x
    x = 484,860,673,494.46/840,062.79
  6. Step 6: Final answer
    x = 577,171.94

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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.