Home / 852,798.78-1,176,844.74-490,213.32

Finding the Fourth Proportional to 852,798.78, 1,176,844.74 and 490,213.32

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Solution

The fourth proportional to 852,798.78, 1,176,844.74 and 490,213.32 is: 676,484.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,798.78 : 1,176,844.74 = 490,213.32 : x
  2. Step 2: Convert to fraction form
    852,798.78/1,176,844.74 = 490,213.32/x
  3. Step 3: Cross multiply
    852,798.78x = 1,176,844.74 × 490,213.32
  4. Step 4: Simplify right side
    852,798.78x = 576,904,967,119.94
  5. Step 5: Solve for x
    x = 576,904,967,119.94/852,798.78
  6. Step 6: Final answer
    x = 676,484.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.