Home / 915,041.39-1,372,008.04-409,508.24

Finding the Fourth Proportional to 915,041.39, 1,372,008.04 and 409,508.24

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Solution

The fourth proportional to 915,041.39, 1,372,008.04 and 409,508.24 is: 614,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,041.39 : 1,372,008.04 = 409,508.24 : x
  2. Step 2: Convert to fraction form
    915,041.39/1,372,008.04 = 409,508.24/x
  3. Step 3: Cross multiply
    915,041.39x = 1,372,008.04 × 409,508.24
  4. Step 4: Simplify right side
    915,041.39x = 561,848,589,842.44
  5. Step 5: Solve for x
    x = 561,848,589,842.44/915,041.39
  6. Step 6: Final answer
    x = 614,014.40

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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.