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Finding the Fourth Proportional to 556,179.32, 767,470.02 and 341,328.44

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Solution

The fourth proportional to 556,179.32, 767,470.02 and 341,328.44 is: 470,998.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,179.32 : 767,470.02 = 341,328.44 : x
  2. Step 2: Convert to fraction form
    556,179.32/767,470.02 = 341,328.44/x
  3. Step 3: Cross multiply
    556,179.32x = 767,470.02 × 341,328.44
  4. Step 4: Simplify right side
    556,179.32x = 261,959,344,673.37
  5. Step 5: Solve for x
    x = 261,959,344,673.37/556,179.32
  6. Step 6: Final answer
    x = 470,998.00

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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.