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Finding the Fourth Proportional to 556,303.09, 767,694.41 and 301,654.28

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Solution

The fourth proportional to 556,303.09, 767,694.41 and 301,654.28 is: 416,280.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,303.09 : 767,694.41 = 301,654.28 : x
  2. Step 2: Convert to fraction form
    556,303.09/767,694.41 = 301,654.28/x
  3. Step 3: Cross multiply
    556,303.09x = 767,694.41 × 301,654.28
  4. Step 4: Simplify right side
    556,303.09x = 231,578,301,732.46
  5. Step 5: Solve for x
    x = 231,578,301,732.46/556,303.09
  6. Step 6: Final answer
    x = 416,280.81

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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.