Home / 724,383.40-1,085,700.30-369,214.60

Finding the Fourth Proportional to 724,383.40, 1,085,700.30 and 369,214.60

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Solution

The fourth proportional to 724,383.40, 1,085,700.30 and 369,214.60 is: 553,376.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,383.40 : 1,085,700.30 = 369,214.60 : x
  2. Step 2: Convert to fraction form
    724,383.40/1,085,700.30 = 369,214.60/x
  3. Step 3: Cross multiply
    724,383.40x = 1,085,700.30 × 369,214.60
  4. Step 4: Simplify right side
    724,383.40x = 400,856,401,984.38
  5. Step 5: Solve for x
    x = 400,856,401,984.38/724,383.40
  6. Step 6: Final answer
    x = 553,376.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.