Home / 791,313.14-1,092,003.45-428,715.36

Finding the Fourth Proportional to 791,313.14, 1,092,003.45 and 428,715.36

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Solution

The fourth proportional to 791,313.14, 1,092,003.45 and 428,715.36 is: 591,622.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,313.14 : 1,092,003.45 = 428,715.36 : x
  2. Step 2: Convert to fraction form
    791,313.14/1,092,003.45 = 428,715.36/x
  3. Step 3: Cross multiply
    791,313.14x = 1,092,003.45 × 428,715.36
  4. Step 4: Simplify right side
    791,313.14x = 468,158,652,187.99
  5. Step 5: Solve for x
    x = 468,158,652,187.99/791,313.14
  6. Step 6: Final answer
    x = 591,622.49

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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.