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Finding the Fourth Proportional to 556,148.70, 767,483.67 and 301,499.10

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Solution

The fourth proportional to 556,148.70, 767,483.67 and 301,499.10 is: 416,067.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,148.70 : 767,483.67 = 301,499.10 : x
  2. Step 2: Convert to fraction form
    556,148.70/767,483.67 = 301,499.10/x
  3. Step 3: Cross multiply
    556,148.70x = 767,483.67 × 301,499.10
  4. Step 4: Simplify right side
    556,148.70x = 231,395,635,769.70
  5. Step 5: Solve for x
    x = 231,395,635,769.70/556,148.70
  6. Step 6: Final answer
    x = 416,067.93

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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.