Home / 678,325.14-1,017,477.18-229,361.31

Finding the Fourth Proportional to 678,325.14, 1,017,477.18 and 229,361.31

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Solution

The fourth proportional to 678,325.14, 1,017,477.18 and 229,361.31 is: 344,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,325.14 : 1,017,477.18 = 229,361.31 : x
  2. Step 2: Convert to fraction form
    678,325.14/1,017,477.18 = 229,361.31/x
  3. Step 3: Cross multiply
    678,325.14x = 1,017,477.18 × 229,361.31
  4. Step 4: Simplify right side
    678,325.14x = 233,369,898,899.91
  5. Step 5: Solve for x
    x = 233,369,898,899.91/678,325.14
  6. Step 6: Final answer
    x = 344,038.40

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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.