Home / 746,296.30-1,029,877.50-419,609.62

Finding the Fourth Proportional to 746,296.30, 1,029,877.50 and 419,609.62

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Solution

The fourth proportional to 746,296.30, 1,029,877.50 and 419,609.62 is: 579,054.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,296.30 : 1,029,877.50 = 419,609.62 : x
  2. Step 2: Convert to fraction form
    746,296.30/1,029,877.50 = 419,609.62/x
  3. Step 3: Cross multiply
    746,296.30x = 1,029,877.50 × 419,609.62
  4. Step 4: Simplify right side
    746,296.30x = 432,146,510,554.09
  5. Step 5: Solve for x
    x = 432,146,510,554.09/746,296.30
  6. Step 6: Final answer
    x = 579,054.87

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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.