Home / 753,896.67-1,040,384.28-409,733.48

Finding the Fourth Proportional to 753,896.67, 1,040,384.28 and 409,733.48

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Solution

The fourth proportional to 753,896.67, 1,040,384.28 and 409,733.48 is: 565,435.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,896.67 : 1,040,384.28 = 409,733.48 : x
  2. Step 2: Convert to fraction form
    753,896.67/1,040,384.28 = 409,733.48/x
  3. Step 3: Cross multiply
    753,896.67x = 1,040,384.28 × 409,733.48
  4. Step 4: Simplify right side
    753,896.67x = 426,280,266,379.77
  5. Step 5: Solve for x
    x = 426,280,266,379.77/753,896.67
  6. Step 6: Final answer
    x = 565,435.93

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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.