Home / 788,256.20-1,087,794.60-448,724

Finding the Fourth Proportional to 788,256.20, 1,087,794.60 and 448,724

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Solution

The fourth proportional to 788,256.20, 1,087,794.60 and 448,724 is: 619,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,256.20 : 1,087,794.60 = 448,724 : x
  2. Step 2: Convert to fraction form
    788,256.20/1,087,794.60 = 448,724/x
  3. Step 3: Cross multiply
    788,256.20x = 1,087,794.60 × 448,724
  4. Step 4: Simplify right side
    788,256.20x = 488,119,544,090.40
  5. Step 5: Solve for x
    x = 488,119,544,090.40/788,256.20
  6. Step 6: Final answer
    x = 619,239.71

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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.