Home / 697,962.45-962,942.88-456,386.43

Finding the Fourth Proportional to 697,962.45, 962,942.88 and 456,386.43

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Solution

The fourth proportional to 697,962.45, 962,942.88 and 456,386.43 is: 629,652.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,962.45 : 962,942.88 = 456,386.43 : x
  2. Step 2: Convert to fraction form
    697,962.45/962,942.88 = 456,386.43/x
  3. Step 3: Cross multiply
    697,962.45x = 962,942.88 × 456,386.43
  4. Step 4: Simplify right side
    697,962.45x = 439,474,063,297.12
  5. Step 5: Solve for x
    x = 439,474,063,297.12/697,962.45
  6. Step 6: Final answer
    x = 629,652.88

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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.