Home / 571,676.16-788,960.40-317,109.60

Finding the Fourth Proportional to 571,676.16, 788,960.40 and 317,109.60

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Solution

The fourth proportional to 571,676.16, 788,960.40 and 317,109.60 is: 437,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,676.16 : 788,960.40 = 317,109.60 : x
  2. Step 2: Convert to fraction form
    571,676.16/788,960.40 = 317,109.60/x
  3. Step 3: Cross multiply
    571,676.16x = 788,960.40 × 317,109.60
  4. Step 4: Simplify right side
    571,676.16x = 250,186,916,859.84
  5. Step 5: Solve for x
    x = 250,186,916,859.84/571,676.16
  6. Step 6: Final answer
    x = 437,637.48

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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.