Home / 895,428.20-1,343,142.30-304,452.20

Finding the Fourth Proportional to 895,428.20, 1,343,142.30 and 304,452.20

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Solution

The fourth proportional to 895,428.20, 1,343,142.30 and 304,452.20 is: 456,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,428.20 : 1,343,142.30 = 304,452.20 : x
  2. Step 2: Convert to fraction form
    895,428.20/1,343,142.30 = 304,452.20/x
  3. Step 3: Cross multiply
    895,428.20x = 1,343,142.30 × 304,452.20
  4. Step 4: Simplify right side
    895,428.20x = 408,922,628,148.06
  5. Step 5: Solve for x
    x = 408,922,628,148.06/895,428.20
  6. Step 6: Final answer
    x = 456,678.30

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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.