Home / 710,389.21-1,064,839.55-330,997.11

Finding the Fourth Proportional to 710,389.21, 1,064,839.55 and 330,997.11

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Solution

The fourth proportional to 710,389.21, 1,064,839.55 and 330,997.11 is: 496,148.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,389.21 : 1,064,839.55 = 330,997.11 : x
  2. Step 2: Convert to fraction form
    710,389.21/1,064,839.55 = 330,997.11/x
  3. Step 3: Cross multiply
    710,389.21x = 1,064,839.55 × 330,997.11
  4. Step 4: Simplify right side
    710,389.21x = 352,458,814,491.19
  5. Step 5: Solve for x
    x = 352,458,814,491.19/710,389.21
  6. Step 6: Final answer
    x = 496,148.89

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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.