Home / 757,322.40-1,045,155.60-435,136.80

Finding the Fourth Proportional to 757,322.40, 1,045,155.60 and 435,136.80

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Solution

The fourth proportional to 757,322.40, 1,045,155.60 and 435,136.80 is: 600,517.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,322.40 : 1,045,155.60 = 435,136.80 : x
  2. Step 2: Convert to fraction form
    757,322.40/1,045,155.60 = 435,136.80/x
  3. Step 3: Cross multiply
    757,322.40x = 1,045,155.60 × 435,136.80
  4. Step 4: Simplify right side
    757,322.40x = 454,785,663,286.08
  5. Step 5: Solve for x
    x = 454,785,663,286.08/757,322.40
  6. Step 6: Final answer
    x = 600,517.91

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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.