Home / 895,427.20-1,343,140.80-304,451.20

Finding the Fourth Proportional to 895,427.20, 1,343,140.80 and 304,451.20

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Solution

The fourth proportional to 895,427.20, 1,343,140.80 and 304,451.20 is: 456,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,427.20 : 1,343,140.80 = 304,451.20 : x
  2. Step 2: Convert to fraction form
    895,427.20/1,343,140.80 = 304,451.20/x
  3. Step 3: Cross multiply
    895,427.20x = 1,343,140.80 × 304,451.20
  4. Step 4: Simplify right side
    895,427.20x = 408,920,828,328.96
  5. Step 5: Solve for x
    x = 408,920,828,328.96/895,427.20
  6. Step 6: Final answer
    x = 456,676.80

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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.