Home / 756,823.53-1,133,950.63-456,673.42

Finding the Fourth Proportional to 756,823.53, 1,133,950.63 and 456,673.42

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Solution

The fourth proportional to 756,823.53, 1,133,950.63 and 456,673.42 is: 684,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,823.53 : 1,133,950.63 = 456,673.42 : x
  2. Step 2: Convert to fraction form
    756,823.53/1,133,950.63 = 456,673.42/x
  3. Step 3: Cross multiply
    756,823.53x = 1,133,950.63 × 456,673.42
  4. Step 4: Simplify right side
    756,823.53x = 517,845,112,313.26
  5. Step 5: Solve for x
    x = 517,845,112,313.26/756,823.53
  6. Step 6: Final answer
    x = 684,234.95

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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.