Home / 684,205.12-1,026,458.88-234,915.76

Finding the Fourth Proportional to 684,205.12, 1,026,458.88 and 234,915.76

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Solution

The fourth proportional to 684,205.12, 1,026,458.88 and 234,915.76 is: 352,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,205.12 : 1,026,458.88 = 234,915.76 : x
  2. Step 2: Convert to fraction form
    684,205.12/1,026,458.88 = 234,915.76/x
  3. Step 3: Cross multiply
    684,205.12x = 1,026,458.88 × 234,915.76
  4. Step 4: Simplify right side
    684,205.12x = 241,131,367,903.95
  5. Step 5: Solve for x
    x = 241,131,367,903.95/684,205.12
  6. Step 6: Final answer
    x = 352,425.55

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1.5x scale

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.