Home / 859,730.76-1,186,457.22-477,773.64

Finding the Fourth Proportional to 859,730.76, 1,186,457.22 and 477,773.64

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Solution

The fourth proportional to 859,730.76, 1,186,457.22 and 477,773.64 is: 659,343.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,730.76 : 1,186,457.22 = 477,773.64 : x
  2. Step 2: Convert to fraction form
    859,730.76/1,186,457.22 = 477,773.64/x
  3. Step 3: Cross multiply
    859,730.76x = 1,186,457.22 × 477,773.64
  4. Step 4: Simplify right side
    859,730.76x = 566,857,984,703.68
  5. Step 5: Solve for x
    x = 566,857,984,703.68/859,730.76
  6. Step 6: Final answer
    x = 659,343.61

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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.