Home / 829,279.69-1,243,342.37-367,406.89

Finding the Fourth Proportional to 829,279.69, 1,243,342.37 and 367,406.89

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Solution

The fourth proportional to 829,279.69, 1,243,342.37 and 367,406.89 is: 550,854.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,279.69 : 1,243,342.37 = 367,406.89 : x
  2. Step 2: Convert to fraction form
    829,279.69/1,243,342.37 = 367,406.89/x
  3. Step 3: Cross multiply
    829,279.69x = 1,243,342.37 × 367,406.89
  4. Step 4: Simplify right side
    829,279.69x = 456,812,551,177.09
  5. Step 5: Solve for x
    x = 456,812,551,177.09/829,279.69
  6. Step 6: Final answer
    x = 550,854.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.