Home / 744,769.34-1,116,279.21-344,564.74

Finding the Fourth Proportional to 744,769.34, 1,116,279.21 and 344,564.74

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Solution

The fourth proportional to 744,769.34, 1,116,279.21 and 344,564.74 is: 516,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,769.34 : 1,116,279.21 = 344,564.74 : x
  2. Step 2: Convert to fraction form
    744,769.34/1,116,279.21 = 344,564.74/x
  3. Step 3: Cross multiply
    744,769.34x = 1,116,279.21 × 344,564.74
  4. Step 4: Simplify right side
    744,769.34x = 384,630,455,761.06
  5. Step 5: Solve for x
    x = 384,630,455,761.06/744,769.34
  6. Step 6: Final answer
    x = 516,442.39

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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.