Home / 854,554.68-1,179,582.21-492,122.81

Finding the Fourth Proportional to 854,554.68, 1,179,582.21 and 492,122.81

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Solution

The fourth proportional to 854,554.68, 1,179,582.21 and 492,122.81 is: 679,300.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,554.68 : 1,179,582.21 = 492,122.81 : x
  2. Step 2: Convert to fraction form
    854,554.68/1,179,582.21 = 492,122.81/x
  3. Step 3: Cross multiply
    854,554.68x = 1,179,582.21 × 492,122.81
  4. Step 4: Simplify right side
    854,554.68x = 580,499,314,760.17
  5. Step 5: Solve for x
    x = 580,499,314,760.17/854,554.68
  6. Step 6: Final answer
    x = 679,300.38

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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.