Home / 689,671.37-1,034,506.04-216,393.63

Finding the Fourth Proportional to 689,671.37, 1,034,506.04 and 216,393.63

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Solution

The fourth proportional to 689,671.37, 1,034,506.04 and 216,393.63 is: 324,590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,671.37 : 1,034,506.04 = 216,393.63 : x
  2. Step 2: Convert to fraction form
    689,671.37/1,034,506.04 = 216,393.63/x
  3. Step 3: Cross multiply
    689,671.37x = 1,034,506.04 × 216,393.63
  4. Step 4: Simplify right side
    689,671.37x = 223,860,516,170.56
  5. Step 5: Solve for x
    x = 223,860,516,170.56/689,671.37
  6. Step 6: Final answer
    x = 324,590.13

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Double scale
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Similar ratio
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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.