Home / 829,005.53-1,143,945.95-466,421.38

Finding the Fourth Proportional to 829,005.53, 1,143,945.95 and 466,421.38

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Solution

The fourth proportional to 829,005.53, 1,143,945.95 and 466,421.38 is: 643,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,005.53 : 1,143,945.95 = 466,421.38 : x
  2. Step 2: Convert to fraction form
    829,005.53/1,143,945.95 = 466,421.38/x
  3. Step 3: Cross multiply
    829,005.53x = 1,143,945.95 × 466,421.38
  4. Step 4: Simplify right side
    829,005.53x = 533,560,846,950.60
  5. Step 5: Solve for x
    x = 533,560,846,950.60/829,005.53
  6. Step 6: Final answer
    x = 643,615.55

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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.