Home / 869,649.18-1,304,460.84-301,443.90

Finding the Fourth Proportional to 869,649.18, 1,304,460.84 and 301,443.90

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Solution

The fourth proportional to 869,649.18, 1,304,460.84 and 301,443.90 is: 452,161.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,649.18 : 1,304,460.84 = 301,443.90 : x
  2. Step 2: Convert to fraction form
    869,649.18/1,304,460.84 = 301,443.90/x
  3. Step 3: Cross multiply
    869,649.18x = 1,304,460.84 × 301,443.90
  4. Step 4: Simplify right side
    869,649.18x = 393,221,763,006.88
  5. Step 5: Solve for x
    x = 393,221,763,006.88/869,649.18
  6. Step 6: Final answer
    x = 452,161.37

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Double scale
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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.