Home / 716,809.12-1,074,611.04-479,427.28

Finding the Fourth Proportional to 716,809.12, 1,074,611.04 and 479,427.28

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Solution

The fourth proportional to 716,809.12, 1,074,611.04 and 479,427.28 is: 718,737.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,809.12 : 1,074,611.04 = 479,427.28 : x
  2. Step 2: Convert to fraction form
    716,809.12/1,074,611.04 = 479,427.28/x
  3. Step 3: Cross multiply
    716,809.12x = 1,074,611.04 × 479,427.28
  4. Step 4: Simplify right side
    716,809.12x = 515,197,843,480.79
  5. Step 5: Solve for x
    x = 515,197,843,480.79/716,809.12
  6. Step 6: Final answer
    x = 718,737.85

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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.