Home / 746,152.02-1,029,689.82-406,620

Finding the Fourth Proportional to 746,152.02, 1,029,689.82 and 406,620

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Solution

The fourth proportional to 746,152.02, 1,029,689.82 and 406,620 is: 561,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,152.02 : 1,029,689.82 = 406,620 : x
  2. Step 2: Convert to fraction form
    746,152.02/1,029,689.82 = 406,620/x
  3. Step 3: Cross multiply
    746,152.02x = 1,029,689.82 × 406,620
  4. Step 4: Simplify right side
    746,152.02x = 418,692,474,608.40
  5. Step 5: Solve for x
    x = 418,692,474,608.40/746,152.02
  6. Step 6: Final answer
    x = 561,135.62

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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.