Home / 684,013.96-943,922.74-373,902.76

Finding the Fourth Proportional to 684,013.96, 943,922.74 and 373,902.76

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Solution

The fourth proportional to 684,013.96, 943,922.74 and 373,902.76 is: 515,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,013.96 : 943,922.74 = 373,902.76 : x
  2. Step 2: Convert to fraction form
    684,013.96/943,922.74 = 373,902.76/x
  3. Step 3: Cross multiply
    684,013.96x = 943,922.74 × 373,902.76
  4. Step 4: Simplify right side
    684,013.96x = 352,935,317,712.76
  5. Step 5: Solve for x
    x = 352,935,317,712.76/684,013.96
  6. Step 6: Final answer
    x = 515,976.78

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.