Home / 1,028,950.31-1,543,426.07-429,584.73

Finding the Fourth Proportional to 1,028,950.31, 1,543,426.07 and 429,584.73

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Solution

The fourth proportional to 1,028,950.31, 1,543,426.07 and 429,584.73 is: 644,377.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,950.31 : 1,543,426.07 = 429,584.73 : x
  2. Step 2: Convert to fraction form
    1,028,950.31/1,543,426.07 = 429,584.73/x
  3. Step 3: Cross multiply
    1,028,950.31x = 1,543,426.07 × 429,584.73
  4. Step 4: Simplify right side
    1,028,950.31x = 663,032,269,407.99
  5. Step 5: Solve for x
    x = 663,032,269,407.99/1,028,950.31
  6. Step 6: Final answer
    x = 644,377.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.