Home / 626,566.83-864,663.10-340,086.98

Finding the Fourth Proportional to 626,566.83, 864,663.10 and 340,086.98

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Solution

The fourth proportional to 626,566.83, 864,663.10 and 340,086.98 is: 469,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,566.83 : 864,663.10 = 340,086.98 : x
  2. Step 2: Convert to fraction form
    626,566.83/864,663.10 = 340,086.98/x
  3. Step 3: Cross multiply
    626,566.83x = 864,663.10 × 340,086.98
  4. Step 4: Simplify right side
    626,566.83x = 294,060,662,396.44
  5. Step 5: Solve for x
    x = 294,060,662,396.44/626,566.83
  6. Step 6: Final answer
    x = 469,320.51

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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.