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Finding the Fourth Proportional to 626,437.22, 864,483.93 and 339,957.32

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Solution

The fourth proportional to 626,437.22, 864,483.93 and 339,957.32 is: 469,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,437.22 : 864,483.93 = 339,957.32 : x
  2. Step 2: Convert to fraction form
    626,437.22/864,483.93 = 339,957.32/x
  3. Step 3: Cross multiply
    626,437.22x = 864,483.93 × 339,957.32
  4. Step 4: Simplify right side
    626,437.22x = 293,887,635,703.45
  5. Step 5: Solve for x
    x = 293,887,635,703.45/626,437.22
  6. Step 6: Final answer
    x = 469,141.41

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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.