Home / 757,390.26-1,045,291.05-435,099.66

Finding the Fourth Proportional to 757,390.26, 1,045,291.05 and 435,099.66

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Solution

The fourth proportional to 757,390.26, 1,045,291.05 and 435,099.66 is: 600,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,390.26 : 1,045,291.05 = 435,099.66 : x
  2. Step 2: Convert to fraction form
    757,390.26/1,045,291.05 = 435,099.66/x
  3. Step 3: Cross multiply
    757,390.26x = 1,045,291.05 × 435,099.66
  4. Step 4: Simplify right side
    757,390.26x = 454,805,780,456.04
  5. Step 5: Solve for x
    x = 454,805,780,456.04/757,390.26
  6. Step 6: Final answer
    x = 600,490.66

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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.