Home / 756,849.90-1,133,990.19-456,699.81

Finding the Fourth Proportional to 756,849.90, 1,133,990.19 and 456,699.81

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Solution

The fourth proportional to 756,849.90, 1,133,990.19 and 456,699.81 is: 684,274.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,849.90 : 1,133,990.19 = 456,699.81 : x
  2. Step 2: Convert to fraction form
    756,849.90/1,133,990.19 = 456,699.81/x
  3. Step 3: Cross multiply
    756,849.90x = 1,133,990.19 × 456,699.81
  4. Step 4: Simplify right side
    756,849.90x = 517,893,104,314.86
  5. Step 5: Solve for x
    x = 517,893,104,314.86/756,849.90
  6. Step 6: Final answer
    x = 684,274.52

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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.