Home / 688,026.85-949,508.57-382,104.63

Finding the Fourth Proportional to 688,026.85, 949,508.57 and 382,104.63

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Solution

The fourth proportional to 688,026.85, 949,508.57 and 382,104.63 is: 527,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,026.85 : 949,508.57 = 382,104.63 : x
  2. Step 2: Convert to fraction form
    688,026.85/949,508.57 = 382,104.63/x
  3. Step 3: Cross multiply
    688,026.85x = 949,508.57 × 382,104.63
  4. Step 4: Simplify right side
    688,026.85x = 362,811,621,776.94
  5. Step 5: Solve for x
    x = 362,811,621,776.94/688,026.85
  6. Step 6: Final answer
    x = 527,321.90

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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.