Home / 734,900.18-1,102,065.95-285,561.89

Finding the Fourth Proportional to 734,900.18, 1,102,065.95 and 285,561.89

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Solution

The fourth proportional to 734,900.18, 1,102,065.95 and 285,561.89 is: 428,232.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,900.18 : 1,102,065.95 = 285,561.89 : x
  2. Step 2: Convert to fraction form
    734,900.18/1,102,065.95 = 285,561.89/x
  3. Step 3: Cross multiply
    734,900.18x = 1,102,065.95 × 285,561.89
  4. Step 4: Simplify right side
    734,900.18x = 314,708,034,922.97
  5. Step 5: Solve for x
    x = 314,708,034,922.97/734,900.18
  6. Step 6: Final answer
    x = 428,232.36

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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.