Home / 746,214.90-1,029,780.04-423,942.68

Finding the Fourth Proportional to 746,214.90, 1,029,780.04 and 423,942.68

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Solution

The fourth proportional to 746,214.90, 1,029,780.04 and 423,942.68 is: 585,042.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,214.90 : 1,029,780.04 = 423,942.68 : x
  2. Step 2: Convert to fraction form
    746,214.90/1,029,780.04 = 423,942.68/x
  3. Step 3: Cross multiply
    746,214.90x = 1,029,780.04 × 423,942.68
  4. Step 4: Simplify right side
    746,214.90x = 436,567,709,968.11
  5. Step 5: Solve for x
    x = 436,567,709,968.11/746,214.90
  6. Step 6: Final answer
    x = 585,042.87

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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.