Home / 677,373.47-1,013,942.74-437,166.29

Finding the Fourth Proportional to 677,373.47, 1,013,942.74 and 437,166.29

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Solution

The fourth proportional to 677,373.47, 1,013,942.74 and 437,166.29 is: 654,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,373.47 : 1,013,942.74 = 437,166.29 : x
  2. Step 2: Convert to fraction form
    677,373.47/1,013,942.74 = 437,166.29/x
  3. Step 3: Cross multiply
    677,373.47x = 1,013,942.74 × 437,166.29
  4. Step 4: Simplify right side
    677,373.47x = 443,261,579,755.61
  5. Step 5: Solve for x
    x = 443,261,579,755.61/677,373.47
  6. Step 6: Final answer
    x = 654,382.85

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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.