Home / 749,573.58-1,034,408.46-405,409.89

Finding the Fourth Proportional to 749,573.58, 1,034,408.46 and 405,409.89

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Solution

The fourth proportional to 749,573.58, 1,034,408.46 and 405,409.89 is: 559,463.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,573.58 : 1,034,408.46 = 405,409.89 : x
  2. Step 2: Convert to fraction form
    749,573.58/1,034,408.46 = 405,409.89/x
  3. Step 3: Cross multiply
    749,573.58x = 1,034,408.46 × 405,409.89
  4. Step 4: Simplify right side
    749,573.58x = 419,359,413,519.57
  5. Step 5: Solve for x
    x = 419,359,413,519.57/749,573.58
  6. Step 6: Final answer
    x = 559,463.98

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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.