Home / 790,981.58-1,091,500.44-442,099.20

Finding the Fourth Proportional to 790,981.58, 1,091,500.44 and 442,099.20

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Solution

The fourth proportional to 790,981.58, 1,091,500.44 and 442,099.20 is: 610,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,981.58 : 1,091,500.44 = 442,099.20 : x
  2. Step 2: Convert to fraction form
    790,981.58/1,091,500.44 = 442,099.20/x
  3. Step 3: Cross multiply
    790,981.58x = 1,091,500.44 × 442,099.20
  4. Step 4: Simplify right side
    790,981.58x = 482,551,471,323.65
  5. Step 5: Solve for x
    x = 482,551,471,323.65/790,981.58
  6. Step 6: Final answer
    x = 610,066.64

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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.