Home / 919,459.56-1,379,175.52-413,663.37

Finding the Fourth Proportional to 919,459.56, 1,379,175.52 and 413,663.37

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Solution

The fourth proportional to 919,459.56, 1,379,175.52 and 413,663.37 is: 620,488.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,459.56 : 1,379,175.52 = 413,663.37 : x
  2. Step 2: Convert to fraction form
    919,459.56/1,379,175.52 = 413,663.37/x
  3. Step 3: Cross multiply
    919,459.56x = 1,379,175.52 × 413,663.37
  4. Step 4: Simplify right side
    919,459.56x = 570,514,393,424.70
  5. Step 5: Solve for x
    x = 570,514,393,424.70/919,459.56
  6. Step 6: Final answer
    x = 620,488.84

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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.