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Finding the Fourth Proportional to 652,841.47, 901,009.22 and 366,377.28

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Solution

The fourth proportional to 652,841.47, 901,009.22 and 366,377.28 is: 505,650.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,841.47 : 901,009.22 = 366,377.28 : x
  2. Step 2: Convert to fraction form
    652,841.47/901,009.22 = 366,377.28/x
  3. Step 3: Cross multiply
    652,841.47x = 901,009.22 × 366,377.28
  4. Step 4: Simplify right side
    652,841.47x = 330,109,304,128.72
  5. Step 5: Solve for x
    x = 330,109,304,128.72/652,841.47
  6. Step 6: Final answer
    x = 505,650.02

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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.