Home / 757,809.81-1,045,772.51-413,644.37

Finding the Fourth Proportional to 757,809.81, 1,045,772.51 and 413,644.37

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Solution

The fourth proportional to 757,809.81, 1,045,772.51 and 413,644.37 is: 570,826.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,809.81 : 1,045,772.51 = 413,644.37 : x
  2. Step 2: Convert to fraction form
    757,809.81/1,045,772.51 = 413,644.37/x
  3. Step 3: Cross multiply
    757,809.81x = 1,045,772.51 × 413,644.37
  4. Step 4: Simplify right side
    757,809.81x = 432,577,903,765.18
  5. Step 5: Solve for x
    x = 432,577,903,765.18/757,809.81
  6. Step 6: Final answer
    x = 570,826.48

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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.