Home / 724,499.40-1,085,874.30-369,330.60

Finding the Fourth Proportional to 724,499.40, 1,085,874.30 and 369,330.60

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Solution

The fourth proportional to 724,499.40, 1,085,874.30 and 369,330.60 is: 553,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,499.40 : 1,085,874.30 = 369,330.60 : x
  2. Step 2: Convert to fraction form
    724,499.40/1,085,874.30 = 369,330.60/x
  3. Step 3: Cross multiply
    724,499.40x = 1,085,874.30 × 369,330.60
  4. Step 4: Simplify right side
    724,499.40x = 401,046,606,743.58
  5. Step 5: Solve for x
    x = 401,046,606,743.58/724,499.40
  6. Step 6: Final answer
    x = 553,549.95

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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.