Home / 876,128.20-1,314,095.10-245,105.80

Finding the Fourth Proportional to 876,128.20, 1,314,095.10 and 245,105.80

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Solution

The fourth proportional to 876,128.20, 1,314,095.10 and 245,105.80 is: 367,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,128.20 : 1,314,095.10 = 245,105.80 : x
  2. Step 2: Convert to fraction form
    876,128.20/1,314,095.10 = 245,105.80/x
  3. Step 3: Cross multiply
    876,128.20x = 1,314,095.10 × 245,105.80
  4. Step 4: Simplify right side
    876,128.20x = 322,092,330,761.58
  5. Step 5: Solve for x
    x = 322,092,330,761.58/876,128.20
  6. Step 6: Final answer
    x = 367,631.51

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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.