Home / 791,920.89-1,187,927.54-305,605.59

Finding the Fourth Proportional to 791,920.89, 1,187,927.54 and 305,605.59

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Solution

The fourth proportional to 791,920.89, 1,187,927.54 and 305,605.59 is: 458,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,920.89 : 1,187,927.54 = 305,605.59 : x
  2. Step 2: Convert to fraction form
    791,920.89/1,187,927.54 = 305,605.59/x
  3. Step 3: Cross multiply
    791,920.89x = 1,187,927.54 × 305,605.59
  4. Step 4: Simplify right side
    791,920.89x = 363,037,295,210.92
  5. Step 5: Solve for x
    x = 363,037,295,210.92/791,920.89
  6. Step 6: Final answer
    x = 458,426.21

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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.