Home / 685,484.48-1,028,029.28-236,187.20

Finding the Fourth Proportional to 685,484.48, 1,028,029.28 and 236,187.20

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Solution

The fourth proportional to 685,484.48, 1,028,029.28 and 236,187.20 is: 354,212.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,484.48 : 1,028,029.28 = 236,187.20 : x
  2. Step 2: Convert to fraction form
    685,484.48/1,028,029.28 = 236,187.20/x
  3. Step 3: Cross multiply
    685,484.48x = 1,028,029.28 × 236,187.20
  4. Step 4: Simplify right side
    685,484.48x = 242,807,357,161.22
  5. Step 5: Solve for x
    x = 242,807,357,161.22/685,484.48
  6. Step 6: Final answer
    x = 354,212.77

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Double scale
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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.