Home / 513,276.31-708,325.88-283,849.03

Finding the Fourth Proportional to 513,276.31, 708,325.88 and 283,849.03

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Solution

The fourth proportional to 513,276.31, 708,325.88 and 283,849.03 is: 391,714.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,276.31 : 708,325.88 = 283,849.03 : x
  2. Step 2: Convert to fraction form
    513,276.31/708,325.88 = 283,849.03/x
  3. Step 3: Cross multiply
    513,276.31x = 708,325.88 × 283,849.03
  4. Step 4: Simplify right side
    513,276.31x = 201,057,610,771.84
  5. Step 5: Solve for x
    x = 201,057,610,771.84/513,276.31
  6. Step 6: Final answer
    x = 391,714.19

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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.