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Finding the Fourth Proportional to 539,901, 745,063.44 and 313,561.08

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Solution

The fourth proportional to 539,901, 745,063.44 and 313,561.08 is: 432,714.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,901 : 745,063.44 = 313,561.08 : x
  2. Step 2: Convert to fraction form
    539,901/745,063.44 = 313,561.08/x
  3. Step 3: Cross multiply
    539,901x = 745,063.44 × 313,561.08
  4. Step 4: Simplify right side
    539,901x = 233,622,896,914.92
  5. Step 5: Solve for x
    x = 233,622,896,914.92/539,901
  6. Step 6: Final answer
    x = 432,714.33

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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.