Home / 845,019.54-1,267,639.47-445,674.96

Finding the Fourth Proportional to 845,019.54, 1,267,639.47 and 445,674.96

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Solution

The fourth proportional to 845,019.54, 1,267,639.47 and 445,674.96 is: 668,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,019.54 : 1,267,639.47 = 445,674.96 : x
  2. Step 2: Convert to fraction form
    845,019.54/1,267,639.47 = 445,674.96/x
  3. Step 3: Cross multiply
    845,019.54x = 1,267,639.47 × 445,674.96
  4. Step 4: Simplify right side
    845,019.54x = 564,955,170,086.67
  5. Step 5: Solve for x
    x = 564,955,170,086.67/845,019.54
  6. Step 6: Final answer
    x = 668,570.54

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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.