Home / 709,338.40-1,064,007.60-236,039.20

Finding the Fourth Proportional to 709,338.40, 1,064,007.60 and 236,039.20

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Solution

The fourth proportional to 709,338.40, 1,064,007.60 and 236,039.20 is: 354,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,338.40 : 1,064,007.60 = 236,039.20 : x
  2. Step 2: Convert to fraction form
    709,338.40/1,064,007.60 = 236,039.20/x
  3. Step 3: Cross multiply
    709,338.40x = 1,064,007.60 × 236,039.20
  4. Step 4: Simplify right side
    709,338.40x = 251,147,502,697.92
  5. Step 5: Solve for x
    x = 251,147,502,697.92/709,338.40
  6. Step 6: Final answer
    x = 354,058.80

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Similar ratio
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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.