Home / 786,739.80-1,179,234.90-337,384.20

Finding the Fourth Proportional to 786,739.80, 1,179,234.90 and 337,384.20

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Solution

The fourth proportional to 786,739.80, 1,179,234.90 and 337,384.20 is: 505,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,739.80 : 1,179,234.90 = 337,384.20 : x
  2. Step 2: Convert to fraction form
    786,739.80/1,179,234.90 = 337,384.20/x
  3. Step 3: Cross multiply
    786,739.80x = 1,179,234.90 × 337,384.20
  4. Step 4: Simplify right side
    786,739.80x = 397,855,223,348.58
  5. Step 5: Solve for x
    x = 397,855,223,348.58/786,739.80
  6. Step 6: Final answer
    x = 505,701.15

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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.