Home / 757,826.89-1,045,801.20-418,295.23

Finding the Fourth Proportional to 757,826.89, 1,045,801.20 and 418,295.23

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Solution

The fourth proportional to 757,826.89, 1,045,801.20 and 418,295.23 is: 577,247.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,826.89 : 1,045,801.20 = 418,295.23 : x
  2. Step 2: Convert to fraction form
    757,826.89/1,045,801.20 = 418,295.23/x
  3. Step 3: Cross multiply
    757,826.89x = 1,045,801.20 × 418,295.23
  4. Step 4: Simplify right side
    757,826.89x = 437,453,653,488.28
  5. Step 5: Solve for x
    x = 437,453,653,488.28/757,826.89
  6. Step 6: Final answer
    x = 577,247.47

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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.