Home / 791,060.34-1,091,663.32-428,484.32

Finding the Fourth Proportional to 791,060.34, 1,091,663.32 and 428,484.32

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Solution

The fourth proportional to 791,060.34, 1,091,663.32 and 428,484.32 is: 591,308.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,060.34 : 1,091,663.32 = 428,484.32 : x
  2. Step 2: Convert to fraction form
    791,060.34/1,091,663.32 = 428,484.32/x
  3. Step 3: Cross multiply
    791,060.34x = 1,091,663.32 × 428,484.32
  4. Step 4: Simplify right side
    791,060.34x = 467,760,615,339.14
  5. Step 5: Solve for x
    x = 467,760,615,339.14/791,060.34
  6. Step 6: Final answer
    x = 591,308.39

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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.