Home / 746,225.78-1,029,742.31-419,589.14

Finding the Fourth Proportional to 746,225.78, 1,029,742.31 and 419,589.14

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Solution

The fourth proportional to 746,225.78, 1,029,742.31 and 419,589.14 is: 579,005.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,225.78 : 1,029,742.31 = 419,589.14 : x
  2. Step 2: Convert to fraction form
    746,225.78/1,029,742.31 = 419,589.14/x
  3. Step 3: Cross multiply
    746,225.78x = 1,029,742.31 × 419,589.14
  4. Step 4: Simplify right side
    746,225.78x = 432,068,683,027.86
  5. Step 5: Solve for x
    x = 432,068,683,027.86/746,225.78
  6. Step 6: Final answer
    x = 579,005.31

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Double scale
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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.