Home / 676,547.70-1,014,821.55-227,119.20

Finding the Fourth Proportional to 676,547.70, 1,014,821.55 and 227,119.20

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Solution

The fourth proportional to 676,547.70, 1,014,821.55 and 227,119.20 is: 340,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,547.70 : 1,014,821.55 = 227,119.20 : x
  2. Step 2: Convert to fraction form
    676,547.70/1,014,821.55 = 227,119.20/x
  3. Step 3: Cross multiply
    676,547.70x = 1,014,821.55 × 227,119.20
  4. Step 4: Simplify right side
    676,547.70x = 230,485,458,578.76
  5. Step 5: Solve for x
    x = 230,485,458,578.76/676,547.70
  6. Step 6: Final answer
    x = 340,678.80

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Double scale
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Similar ratio
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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.