Home / 749,537.52-1,034,860.72-443,712.28

Finding the Fourth Proportional to 749,537.52, 1,034,860.72 and 443,712.28

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Solution

The fourth proportional to 749,537.52, 1,034,860.72 and 443,712.28 is: 612,618.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,537.52 : 1,034,860.72 = 443,712.28 : x
  2. Step 2: Convert to fraction form
    749,537.52/1,034,860.72 = 443,712.28/x
  3. Step 3: Cross multiply
    749,537.52x = 1,034,860.72 × 443,712.28
  4. Step 4: Simplify right side
    749,537.52x = 459,180,409,553.64
  5. Step 5: Solve for x
    x = 459,180,409,553.64/749,537.52
  6. Step 6: Final answer
    x = 612,618.31

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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.