Home / 714,528.78-1,072,003.72-287,845.04

Finding the Fourth Proportional to 714,528.78, 1,072,003.72 and 287,845.04

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Solution

The fourth proportional to 714,528.78, 1,072,003.72 and 287,845.04 is: 431,852.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,528.78 : 1,072,003.72 = 287,845.04 : x
  2. Step 2: Convert to fraction form
    714,528.78/1,072,003.72 = 287,845.04/x
  3. Step 3: Cross multiply
    714,528.78x = 1,072,003.72 × 287,845.04
  4. Step 4: Simplify right side
    714,528.78x = 308,570,953,663.55
  5. Step 5: Solve for x
    x = 308,570,953,663.55/714,528.78
  6. Step 6: Final answer
    x = 431,852.38

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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.