Home / 739,509.60-1,107,296.10-471,820.80

Finding the Fourth Proportional to 739,509.60, 1,107,296.10 and 471,820.80

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Solution

The fourth proportional to 739,509.60, 1,107,296.10 and 471,820.80 is: 706,475.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,509.60 : 1,107,296.10 = 471,820.80 : x
  2. Step 2: Convert to fraction form
    739,509.60/1,107,296.10 = 471,820.80/x
  3. Step 3: Cross multiply
    739,509.60x = 1,107,296.10 × 471,820.80
  4. Step 4: Simplify right side
    739,509.60x = 522,445,331,738.88
  5. Step 5: Solve for x
    x = 522,445,331,738.88/739,509.60
  6. Step 6: Final answer
    x = 706,475.39

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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.