Home / 709,656.38-1,064,499.68-254,277.36

Finding the Fourth Proportional to 709,656.38, 1,064,499.68 and 254,277.36

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Solution

The fourth proportional to 709,656.38, 1,064,499.68 and 254,277.36 is: 381,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,656.38 : 1,064,499.68 = 254,277.36 : x
  2. Step 2: Convert to fraction form
    709,656.38/1,064,499.68 = 254,277.36/x
  3. Step 3: Cross multiply
    709,656.38x = 1,064,499.68 × 254,277.36
  4. Step 4: Simplify right side
    709,656.38x = 270,678,167,079.86
  5. Step 5: Solve for x
    x = 270,678,167,079.86/709,656.38
  6. Step 6: Final answer
    x = 381,421.45

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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.