Home / 697,489.31-1,046,555.73-318,526.22

Finding the Fourth Proportional to 697,489.31, 1,046,555.73 and 318,526.22

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Solution

The fourth proportional to 697,489.31, 1,046,555.73 and 318,526.22 is: 477,936.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,489.31 : 1,046,555.73 = 318,526.22 : x
  2. Step 2: Convert to fraction form
    697,489.31/1,046,555.73 = 318,526.22/x
  3. Step 3: Cross multiply
    697,489.31x = 1,046,555.73 × 318,526.22
  4. Step 4: Simplify right side
    697,489.31x = 333,355,435,463.46
  5. Step 5: Solve for x
    x = 333,355,435,463.46/697,489.31
  6. Step 6: Final answer
    x = 477,936.26

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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.