Home / 554,130.38-829,992.72-340,249.07

Finding the Fourth Proportional to 554,130.38, 829,992.72 and 340,249.07

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Solution

The fourth proportional to 554,130.38, 829,992.72 and 340,249.07 is: 509,635.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,130.38 : 829,992.72 = 340,249.07 : x
  2. Step 2: Convert to fraction form
    554,130.38/829,992.72 = 340,249.07/x
  3. Step 3: Cross multiply
    554,130.38x = 829,992.72 × 340,249.07
  4. Step 4: Simplify right side
    554,130.38x = 282,404,246,936.81
  5. Step 5: Solve for x
    x = 282,404,246,936.81/554,130.38
  6. Step 6: Final answer
    x = 509,635.02

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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.