Home / 977,117.70-1,465,605.90-303,181.80

Finding the Fourth Proportional to 977,117.70, 1,465,605.90 and 303,181.80

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Solution

The fourth proportional to 977,117.70, 1,465,605.90 and 303,181.80 is: 454,750.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,117.70 : 1,465,605.90 = 303,181.80 : x
  2. Step 2: Convert to fraction form
    977,117.70/1,465,605.90 = 303,181.80/x
  3. Step 3: Cross multiply
    977,117.70x = 1,465,605.90 × 303,181.80
  4. Step 4: Simplify right side
    977,117.70x = 444,345,034,852.62
  5. Step 5: Solve for x
    x = 444,345,034,852.62/977,117.70
  6. Step 6: Final answer
    x = 454,750.78

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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.