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Finding the Fourth Proportional to 556,208.64, 767,569.59 and 301,559.94

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Solution

The fourth proportional to 556,208.64, 767,569.59 and 301,559.94 is: 416,153.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,208.64 : 767,569.59 = 301,559.94 : x
  2. Step 2: Convert to fraction form
    556,208.64/767,569.59 = 301,559.94/x
  3. Step 3: Cross multiply
    556,208.64x = 767,569.59 × 301,559.94
  4. Step 4: Simplify right side
    556,208.64x = 231,468,239,506.23
  5. Step 5: Solve for x
    x = 231,468,239,506.23/556,208.64
  6. Step 6: Final answer
    x = 416,153.62

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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.