Home / 731,774.76-1,009,815.96-405,099.83

Finding the Fourth Proportional to 731,774.76, 1,009,815.96 and 405,099.83

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Solution

The fourth proportional to 731,774.76, 1,009,815.96 and 405,099.83 is: 559,019.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,774.76 : 1,009,815.96 = 405,099.83 : x
  2. Step 2: Convert to fraction form
    731,774.76/1,009,815.96 = 405,099.83/x
  3. Step 3: Cross multiply
    731,774.76x = 1,009,815.96 × 405,099.83
  4. Step 4: Simplify right side
    731,774.76x = 409,076,277,770.95
  5. Step 5: Solve for x
    x = 409,076,277,770.95/731,774.76
  6. Step 6: Final answer
    x = 559,019.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.