Home / 688,068.22-949,558.34-382,150.32

Finding the Fourth Proportional to 688,068.22, 949,558.34 and 382,150.32

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Solution

The fourth proportional to 688,068.22, 949,558.34 and 382,150.32 is: 527,380.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,068.22 : 949,558.34 = 382,150.32 : x
  2. Step 2: Convert to fraction form
    688,068.22/949,558.34 = 382,150.32/x
  3. Step 3: Cross multiply
    688,068.22x = 949,558.34 × 382,150.32
  4. Step 4: Simplify right side
    688,068.22x = 362,874,023,489.67
  5. Step 5: Solve for x
    x = 362,874,023,489.67/688,068.22
  6. Step 6: Final answer
    x = 527,380.88

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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.