Home / 845,295.75-1,267,191.06-305,431.61

Finding the Fourth Proportional to 845,295.75, 1,267,191.06 and 305,431.61

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Solution

The fourth proportional to 845,295.75, 1,267,191.06 and 305,431.61 is: 457,875.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,295.75 : 1,267,191.06 = 305,431.61 : x
  2. Step 2: Convert to fraction form
    845,295.75/1,267,191.06 = 305,431.61/x
  3. Step 3: Cross multiply
    845,295.75x = 1,267,191.06 × 305,431.61
  4. Step 4: Simplify right side
    845,295.75x = 387,040,208,801.38
  5. Step 5: Solve for x
    x = 387,040,208,801.38/845,295.75
  6. Step 6: Final answer
    x = 457,875.50

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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.