Home / 743,834.50-1,026,487.77-404,304.58

Finding the Fourth Proportional to 743,834.50, 1,026,487.77 and 404,304.58

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Solution

The fourth proportional to 743,834.50, 1,026,487.77 and 404,304.58 is: 557,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,834.50 : 1,026,487.77 = 404,304.58 : x
  2. Step 2: Convert to fraction form
    743,834.50/1,026,487.77 = 404,304.58/x
  3. Step 3: Cross multiply
    743,834.50x = 1,026,487.77 × 404,304.58
  4. Step 4: Simplify right side
    743,834.50x = 415,013,706,724.99
  5. Step 5: Solve for x
    x = 415,013,706,724.99/743,834.50
  6. Step 6: Final answer
    x = 557,938.23

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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.