Home / 805,359.40-1,208,730.30-356,770.60

Finding the Fourth Proportional to 805,359.40, 1,208,730.30 and 356,770.60

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Solution

The fourth proportional to 805,359.40, 1,208,730.30 and 356,770.60 is: 535,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,359.40 : 1,208,730.30 = 356,770.60 : x
  2. Step 2: Convert to fraction form
    805,359.40/1,208,730.30 = 356,770.60/x
  3. Step 3: Cross multiply
    805,359.40x = 1,208,730.30 × 356,770.60
  4. Step 4: Simplify right side
    805,359.40x = 431,239,434,369.18
  5. Step 5: Solve for x
    x = 431,239,434,369.18/805,359.40
  6. Step 6: Final answer
    x = 535,462.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.