Home / 672,327.10-1,008,490.65-245,862.10

Finding the Fourth Proportional to 672,327.10, 1,008,490.65 and 245,862.10

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Solution

The fourth proportional to 672,327.10, 1,008,490.65 and 245,862.10 is: 368,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,327.10 : 1,008,490.65 = 245,862.10 : x
  2. Step 2: Convert to fraction form
    672,327.10/1,008,490.65 = 245,862.10/x
  3. Step 3: Cross multiply
    672,327.10x = 1,008,490.65 × 245,862.10
  4. Step 4: Simplify right side
    672,327.10x = 247,949,629,039.37
  5. Step 5: Solve for x
    x = 247,949,629,039.37/672,327.10
  6. Step 6: Final answer
    x = 368,793.15

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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.