Home / 757,403.33-1,045,309.19-435,112.83

Finding the Fourth Proportional to 757,403.33, 1,045,309.19 and 435,112.83

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Solution

The fourth proportional to 757,403.33, 1,045,309.19 and 435,112.83 is: 600,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,403.33 : 1,045,309.19 = 435,112.83 : x
  2. Step 2: Convert to fraction form
    757,403.33/1,045,309.19 = 435,112.83/x
  3. Step 3: Cross multiply
    757,403.33x = 1,045,309.19 × 435,112.83
  4. Step 4: Simplify right side
    757,403.33x = 454,827,437,710.34
  5. Step 5: Solve for x
    x = 454,827,437,710.34/757,403.33
  6. Step 6: Final answer
    x = 600,508.90

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1.5x scale

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.