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Finding the Fourth Proportional to 556,308.15, 767,701.40 and 301,659.34

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Solution

The fourth proportional to 556,308.15, 767,701.40 and 301,659.34 is: 416,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,308.15 : 767,701.40 = 301,659.34 : x
  2. Step 2: Convert to fraction form
    556,308.15/767,701.40 = 301,659.34/x
  3. Step 3: Cross multiply
    556,308.15x = 767,701.40 × 301,659.34
  4. Step 4: Simplify right side
    556,308.15x = 231,584,295,652.97
  5. Step 5: Solve for x
    x = 231,584,295,652.97/556,308.15
  6. Step 6: Final answer
    x = 416,287.80

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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.