Home / 789,051.17-1,088,912.00-483,121.73

Finding the Fourth Proportional to 789,051.17, 1,088,912.00 and 483,121.73

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Solution

The fourth proportional to 789,051.17, 1,088,912.00 and 483,121.73 is: 666,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,051.17 : 1,088,912.00 = 483,121.73 : x
  2. Step 2: Convert to fraction form
    789,051.17/1,088,912.00 = 483,121.73/x
  3. Step 3: Cross multiply
    789,051.17x = 1,088,912.00 × 483,121.73
  4. Step 4: Simplify right side
    789,051.17x = 526,077,046,386.87
  5. Step 5: Solve for x
    x = 526,077,046,386.87/789,051.17
  6. Step 6: Final answer
    x = 666,721.08

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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.