Home / 936,909.21-1,292,938.83-507,189.33

Finding the Fourth Proportional to 936,909.21, 1,292,938.83 and 507,189.33

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Solution

The fourth proportional to 936,909.21, 1,292,938.83 and 507,189.33 is: 699,923.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,909.21 : 1,292,938.83 = 507,189.33 : x
  2. Step 2: Convert to fraction form
    936,909.21/1,292,938.83 = 507,189.33/x
  3. Step 3: Cross multiply
    936,909.21x = 1,292,938.83 × 507,189.33
  4. Step 4: Simplify right side
    936,909.21x = 655,764,785,669.17
  5. Step 5: Solve for x
    x = 655,764,785,669.17/936,909.21
  6. Step 6: Final answer
    x = 699,923.52

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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.