Home / 897,494.37-1,346,231.18-257,813.79

Finding the Fourth Proportional to 897,494.37, 1,346,231.18 and 257,813.79

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Solution

The fourth proportional to 897,494.37, 1,346,231.18 and 257,813.79 is: 386,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,494.37 : 1,346,231.18 = 257,813.79 : x
  2. Step 2: Convert to fraction form
    897,494.37/1,346,231.18 = 257,813.79/x
  3. Step 3: Cross multiply
    897,494.37x = 1,346,231.18 × 257,813.79
  4. Step 4: Simplify right side
    897,494.37x = 347,076,961,442.90
  5. Step 5: Solve for x
    x = 347,076,961,442.90/897,494.37
  6. Step 6: Final answer
    x = 386,717.70

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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.