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Finding the Fourth Proportional to 556,289.82, 767,681.37 and 301,640.94

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Solution

The fourth proportional to 556,289.82, 767,681.37 and 301,640.94 is: 416,265.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,289.82 : 767,681.37 = 301,640.94 : x
  2. Step 2: Convert to fraction form
    556,289.82/767,681.37 = 301,640.94/x
  3. Step 3: Cross multiply
    556,289.82x = 767,681.37 × 301,640.94
  4. Step 4: Simplify right side
    556,289.82x = 231,564,130,067.29
  5. Step 5: Solve for x
    x = 231,564,130,067.29/556,289.82
  6. Step 6: Final answer
    x = 416,265.27

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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.