Home / 581,629.08-802,320.30-339,860.28

Finding the Fourth Proportional to 581,629.08, 802,320.30 and 339,860.28

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Solution

The fourth proportional to 581,629.08, 802,320.30 and 339,860.28 is: 468,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,629.08 : 802,320.30 = 339,860.28 : x
  2. Step 2: Convert to fraction form
    581,629.08/802,320.30 = 339,860.28/x
  3. Step 3: Cross multiply
    581,629.08x = 802,320.30 × 339,860.28
  4. Step 4: Simplify right side
    581,629.08x = 272,676,801,807.68
  5. Step 5: Solve for x
    x = 272,676,801,807.68/581,629.08
  6. Step 6: Final answer
    x = 468,815.63

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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.