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Finding the Fourth Proportional to 556,177.32, 767,467.26 and 341,326.44

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Solution

The fourth proportional to 556,177.32, 767,467.26 and 341,326.44 is: 470,995.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,177.32 : 767,467.26 = 341,326.44 : x
  2. Step 2: Convert to fraction form
    556,177.32/767,467.26 = 341,326.44/x
  3. Step 3: Cross multiply
    556,177.32x = 767,467.26 × 341,326.44
  4. Step 4: Simplify right side
    556,177.32x = 261,956,867,672.35
  5. Step 5: Solve for x
    x = 261,956,867,672.35/556,177.32
  6. Step 6: Final answer
    x = 470,995.24

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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.