Home / 761,619.96-1,051,017.66-422,080.92

Finding the Fourth Proportional to 761,619.96, 1,051,017.66 and 422,080.92

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Solution

The fourth proportional to 761,619.96, 1,051,017.66 and 422,080.92 is: 582,461.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,619.96 : 1,051,017.66 = 422,080.92 : x
  2. Step 2: Convert to fraction form
    761,619.96/1,051,017.66 = 422,080.92/x
  3. Step 3: Cross multiply
    761,619.96x = 1,051,017.66 × 422,080.92
  4. Step 4: Simplify right side
    761,619.96x = 443,614,500,869.05
  5. Step 5: Solve for x
    x = 443,614,500,869.05/761,619.96
  6. Step 6: Final answer
    x = 582,461.76

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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.