Home / 729,113.10-1,093,669.65-461,424.30

Finding the Fourth Proportional to 729,113.10, 1,093,669.65 and 461,424.30

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Solution

The fourth proportional to 729,113.10, 1,093,669.65 and 461,424.30 is: 692,136.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,113.10 : 1,093,669.65 = 461,424.30 : x
  2. Step 2: Convert to fraction form
    729,113.10/1,093,669.65 = 461,424.30/x
  3. Step 3: Cross multiply
    729,113.10x = 1,093,669.65 × 461,424.30
  4. Step 4: Simplify right side
    729,113.10x = 504,645,752,682.50
  5. Step 5: Solve for x
    x = 504,645,752,682.50/729,113.10
  6. Step 6: Final answer
    x = 692,136.45

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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.