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Finding the Fourth Proportional to 652,842.47, 901,010.60 and 366,378.28

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Solution

The fourth proportional to 652,842.47, 901,010.60 and 366,378.28 is: 505,651.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,842.47 : 901,010.60 = 366,378.28 : x
  2. Step 2: Convert to fraction form
    652,842.47/901,010.60 = 366,378.28/x
  3. Step 3: Cross multiply
    652,842.47x = 901,010.60 × 366,378.28
  4. Step 4: Simplify right side
    652,842.47x = 330,110,713,889.77
  5. Step 5: Solve for x
    x = 330,110,713,889.77/652,842.47
  6. Step 6: Final answer
    x = 505,651.41

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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.