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Finding the Fourth Proportional to 626,530.36, 864,612.72 and 340,050.44

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Solution

The fourth proportional to 626,530.36, 864,612.72 and 340,050.44 is: 469,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,530.36 : 864,612.72 = 340,050.44 : x
  2. Step 2: Convert to fraction form
    626,530.36/864,612.72 = 340,050.44/x
  3. Step 3: Cross multiply
    626,530.36x = 864,612.72 × 340,050.44
  4. Step 4: Simplify right side
    626,530.36x = 294,011,935,865.60
  5. Step 5: Solve for x
    x = 294,011,935,865.60/626,530.36
  6. Step 6: Final answer
    x = 469,270.05

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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.