Home / 756,941.78-1,134,127.35-456,791.67

Finding the Fourth Proportional to 756,941.78, 1,134,127.35 and 456,791.67

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Solution

The fourth proportional to 756,941.78, 1,134,127.35 and 456,791.67 is: 684,411.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,941.78 : 1,134,127.35 = 456,791.67 : x
  2. Step 2: Convert to fraction form
    756,941.78/1,134,127.35 = 456,791.67/x
  3. Step 3: Cross multiply
    756,941.78x = 1,134,127.35 × 456,791.67
  4. Step 4: Simplify right side
    756,941.78x = 518,059,926,199.18
  5. Step 5: Solve for x
    x = 518,059,926,199.18/756,941.78
  6. Step 6: Final answer
    x = 684,411.86

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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.