Home / 714,943.43-1,072,177-288,369.08

Finding the Fourth Proportional to 714,943.43, 1,072,177 and 288,369.08

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Solution

The fourth proportional to 714,943.43, 1,072,177 and 288,369.08 is: 432,457.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,943.43 : 1,072,177 = 288,369.08 : x
  2. Step 2: Convert to fraction form
    714,943.43/1,072,177 = 288,369.08/x
  3. Step 3: Cross multiply
    714,943.43x = 1,072,177 × 288,369.08
  4. Step 4: Simplify right side
    714,943.43x = 309,182,695,087.16
  5. Step 5: Solve for x
    x = 309,182,695,087.16/714,943.43
  6. Step 6: Final answer
    x = 432,457.57

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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.