Home / 763,512.44-1,053,743.82-461,705.72

Finding the Fourth Proportional to 763,512.44, 1,053,743.82 and 461,705.72

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Solution

The fourth proportional to 763,512.44, 1,053,743.82 and 461,705.72 is: 637,212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,512.44 : 1,053,743.82 = 461,705.72 : x
  2. Step 2: Convert to fraction form
    763,512.44/1,053,743.82 = 461,705.72/x
  3. Step 3: Cross multiply
    763,512.44x = 1,053,743.82 × 461,705.72
  4. Step 4: Simplify right side
    763,512.44x = 486,519,549,108.65
  5. Step 5: Solve for x
    x = 486,519,549,108.65/763,512.44
  6. Step 6: Final answer
    x = 637,212.34

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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.