Home / 829,911.15-1,145,266.11-467,339.40

Finding the Fourth Proportional to 829,911.15, 1,145,266.11 and 467,339.40

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Solution

The fourth proportional to 829,911.15, 1,145,266.11 and 467,339.40 is: 644,922.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,911.15 : 1,145,266.11 = 467,339.40 : x
  2. Step 2: Convert to fraction form
    829,911.15/1,145,266.11 = 467,339.40/x
  3. Step 3: Cross multiply
    829,911.15x = 1,145,266.11 × 467,339.40
  4. Step 4: Simplify right side
    829,911.15x = 535,227,976,687.73
  5. Step 5: Solve for x
    x = 535,227,976,687.73/829,911.15
  6. Step 6: Final answer
    x = 644,922.02

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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.