Home / 654,817.04-903,638.32-368,337.12

Finding the Fourth Proportional to 654,817.04, 903,638.32 and 368,337.12

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Solution

The fourth proportional to 654,817.04, 903,638.32 and 368,337.12 is: 508,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,817.04 : 903,638.32 = 368,337.12 : x
  2. Step 2: Convert to fraction form
    654,817.04/903,638.32 = 368,337.12/x
  3. Step 3: Cross multiply
    654,817.04x = 903,638.32 × 368,337.12
  4. Step 4: Simplify right side
    654,817.04x = 332,843,536,310.44
  5. Step 5: Solve for x
    x = 332,843,536,310.44/654,817.04
  6. Step 6: Final answer
    x = 508,300.05

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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.