Home / 739,511.60-1,107,299.10-471,822.80

Finding the Fourth Proportional to 739,511.60, 1,107,299.10 and 471,822.80

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Solution

The fourth proportional to 739,511.60, 1,107,299.10 and 471,822.80 is: 706,478.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,511.60 : 1,107,299.10 = 471,822.80 : x
  2. Step 2: Convert to fraction form
    739,511.60/1,107,299.10 = 471,822.80/x
  3. Step 3: Cross multiply
    739,511.60x = 1,107,299.10 × 471,822.80
  4. Step 4: Simplify right side
    739,511.60x = 522,448,961,799.48
  5. Step 5: Solve for x
    x = 522,448,961,799.48/739,511.60
  6. Step 6: Final answer
    x = 706,478.39

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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.