Home / 915,818.82-1,263,905.64-508,052.22

Finding the Fourth Proportional to 915,818.82, 1,263,905.64 and 508,052.22

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Solution

The fourth proportional to 915,818.82, 1,263,905.64 and 508,052.22 is: 701,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,818.82 : 1,263,905.64 = 508,052.22 : x
  2. Step 2: Convert to fraction form
    915,818.82/1,263,905.64 = 508,052.22/x
  3. Step 3: Cross multiply
    915,818.82x = 1,263,905.64 × 508,052.22
  4. Step 4: Simplify right side
    915,818.82x = 642,130,066,272.52
  5. Step 5: Solve for x
    x = 642,130,066,272.52/915,818.82
  6. Step 6: Final answer
    x = 701,154.04

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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.