Home / 739,165.80-1,108,424.70-339,673.80

Finding the Fourth Proportional to 739,165.80, 1,108,424.70 and 339,673.80

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Solution

The fourth proportional to 739,165.80, 1,108,424.70 and 339,673.80 is: 509,361.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,165.80 : 1,108,424.70 = 339,673.80 : x
  2. Step 2: Convert to fraction form
    739,165.80/1,108,424.70 = 339,673.80/x
  3. Step 3: Cross multiply
    739,165.80x = 1,108,424.70 × 339,673.80
  4. Step 4: Simplify right side
    739,165.80x = 376,502,829,862.86
  5. Step 5: Solve for x
    x = 376,502,829,862.86/739,165.80
  6. Step 6: Final answer
    x = 509,361.81

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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.