Home / 626,557.42-864,650.24-340,077.64

Finding the Fourth Proportional to 626,557.42, 864,650.24 and 340,077.64

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Solution

The fourth proportional to 626,557.42, 864,650.24 and 340,077.64 is: 469,307.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,557.42 : 864,650.24 = 340,077.64 : x
  2. Step 2: Convert to fraction form
    626,557.42/864,650.24 = 340,077.64/x
  3. Step 3: Cross multiply
    626,557.42x = 864,650.24 × 340,077.64
  4. Step 4: Simplify right side
    626,557.42x = 294,048,213,044.63
  5. Step 5: Solve for x
    x = 294,048,213,044.63/626,557.42
  6. Step 6: Final answer
    x = 469,307.69

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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.