Home / 829,653.30-1,145,030.74-467,147.80

Finding the Fourth Proportional to 829,653.30, 1,145,030.74 and 467,147.80

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Solution

The fourth proportional to 829,653.30, 1,145,030.74 and 467,147.80 is: 644,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,653.30 : 1,145,030.74 = 467,147.80 : x
  2. Step 2: Convert to fraction form
    829,653.30/1,145,030.74 = 467,147.80/x
  3. Step 3: Cross multiply
    829,653.30x = 1,145,030.74 × 467,147.80
  4. Step 4: Simplify right side
    829,653.30x = 534,898,591,123.37
  5. Step 5: Solve for x
    x = 534,898,591,123.37/829,653.30
  6. Step 6: Final answer
    x = 644,725.44

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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.