Home / 757,722.30-1,045,836.27-435,619.53

Finding the Fourth Proportional to 757,722.30, 1,045,836.27 and 435,619.53

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Solution

The fourth proportional to 757,722.30, 1,045,836.27 and 435,619.53 is: 601,258.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,722.30 : 1,045,836.27 = 435,619.53 : x
  2. Step 2: Convert to fraction form
    757,722.30/1,045,836.27 = 435,619.53/x
  3. Step 3: Cross multiply
    757,722.30x = 1,045,836.27 × 435,619.53
  4. Step 4: Simplify right side
    757,722.30x = 455,586,704,394.35
  5. Step 5: Solve for x
    x = 455,586,704,394.35/757,722.30
  6. Step 6: Final answer
    x = 601,258.14

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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.