Home / 757,246.53-1,133,857.75-457,321.35

Finding the Fourth Proportional to 757,246.53, 1,133,857.75 and 457,321.35

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Solution

The fourth proportional to 757,246.53, 1,133,857.75 and 457,321.35 is: 684,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,246.53 : 1,133,857.75 = 457,321.35 : x
  2. Step 2: Convert to fraction form
    757,246.53/1,133,857.75 = 457,321.35/x
  3. Step 3: Cross multiply
    757,246.53x = 1,133,857.75 × 457,321.35
  4. Step 4: Simplify right side
    757,246.53x = 518,537,356,937.96
  5. Step 5: Solve for x
    x = 518,537,356,937.96/757,246.53
  6. Step 6: Final answer
    x = 684,766.90

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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.