Home / 988,751.70-1,483,127.55-456,115.14

Finding the Fourth Proportional to 988,751.70, 1,483,127.55 and 456,115.14

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Solution

The fourth proportional to 988,751.70, 1,483,127.55 and 456,115.14 is: 684,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,751.70 : 1,483,127.55 = 456,115.14 : x
  2. Step 2: Convert to fraction form
    988,751.70/1,483,127.55 = 456,115.14/x
  3. Step 3: Cross multiply
    988,751.70x = 1,483,127.55 × 456,115.14
  4. Step 4: Simplify right side
    988,751.70x = 676,476,930,106.11
  5. Step 5: Solve for x
    x = 676,476,930,106.11/988,751.70
  6. Step 6: Final answer
    x = 684,172.71

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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.