Home / 703,341.20-1,054,389.72-329,263.76

Finding the Fourth Proportional to 703,341.20, 1,054,389.72 and 329,263.76

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Solution

The fourth proportional to 703,341.20, 1,054,389.72 and 329,263.76 is: 493,604.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,341.20 : 1,054,389.72 = 329,263.76 : x
  2. Step 2: Convert to fraction form
    703,341.20/1,054,389.72 = 329,263.76/x
  3. Step 3: Cross multiply
    703,341.20x = 1,054,389.72 × 329,263.76
  4. Step 4: Simplify right side
    703,341.20x = 347,172,323,712.55
  5. Step 5: Solve for x
    x = 347,172,323,712.55/703,341.20
  6. Step 6: Final answer
    x = 493,604.42

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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.