Home / 749,428.96-1,034,236.60-409,897.22

Finding the Fourth Proportional to 749,428.96, 1,034,236.60 and 409,897.22

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Solution

The fourth proportional to 749,428.96, 1,034,236.60 and 409,897.22 is: 565,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,428.96 : 1,034,236.60 = 409,897.22 : x
  2. Step 2: Convert to fraction form
    749,428.96/1,034,236.60 = 409,897.22/x
  3. Step 3: Cross multiply
    749,428.96x = 1,034,236.60 × 409,897.22
  4. Step 4: Simplify right side
    749,428.96x = 423,930,707,162.25
  5. Step 5: Solve for x
    x = 423,930,707,162.25/749,428.96
  6. Step 6: Final answer
    x = 565,671.64

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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.