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Finding the Fourth Proportional to 626,557.10, 864,625.62 and 340,071.04

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Solution

The fourth proportional to 626,557.10, 864,625.62 and 340,071.04 is: 469,285.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,557.10 : 864,625.62 = 340,071.04 : x
  2. Step 2: Convert to fraction form
    626,557.10/864,625.62 = 340,071.04/x
  3. Step 3: Cross multiply
    626,557.10x = 864,625.62 × 340,071.04
  4. Step 4: Simplify right side
    626,557.10x = 294,034,133,804.05
  5. Step 5: Solve for x
    x = 294,034,133,804.05/626,557.10
  6. Step 6: Final answer
    x = 469,285.46

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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.