Home / 786,500.40-1,179,003.24-501,390.72

Finding the Fourth Proportional to 786,500.40, 1,179,003.24 and 501,390.72

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Solution

The fourth proportional to 786,500.40, 1,179,003.24 and 501,390.72 is: 751,609.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,500.40 : 1,179,003.24 = 501,390.72 : x
  2. Step 2: Convert to fraction form
    786,500.40/1,179,003.24 = 501,390.72/x
  3. Step 3: Cross multiply
    786,500.40x = 1,179,003.24 × 501,390.72
  4. Step 4: Simplify right side
    786,500.40x = 591,141,283,385.93
  5. Step 5: Solve for x
    x = 591,141,283,385.93/786,500.40
  6. Step 6: Final answer
    x = 751,609.64

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1.5x scale

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.