Home / 756,941.91-1,134,127.57-456,791.78

Finding the Fourth Proportional to 756,941.91, 1,134,127.57 and 456,791.78

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Solution

The fourth proportional to 756,941.91, 1,134,127.57 and 456,791.78 is: 684,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,941.91 : 1,134,127.57 = 456,791.78 : x
  2. Step 2: Convert to fraction form
    756,941.91/1,134,127.57 = 456,791.78/x
  3. Step 3: Cross multiply
    756,941.91x = 1,134,127.57 × 456,791.78
  4. Step 4: Simplify right side
    756,941.91x = 518,060,151,447.38
  5. Step 5: Solve for x
    x = 518,060,151,447.38/756,941.91
  6. Step 6: Final answer
    x = 684,412.03

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1.5x scale

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.