Home / 3,105,200.30-4,657,800.45-975,499.70

Finding the Fourth Proportional to 3,105,200.30, 4,657,800.45 and 975,499.70

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Solution

The fourth proportional to 3,105,200.30, 4,657,800.45 and 975,499.70 is: 1,463,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,200.30 : 4,657,800.45 = 975,499.70 : x
  2. Step 2: Convert to fraction form
    3,105,200.30/4,657,800.45 = 975,499.70/x
  3. Step 3: Cross multiply
    3,105,200.30x = 4,657,800.45 × 975,499.70
  4. Step 4: Simplify right side
    3,105,200.30x = 4,543,682,941,634.87
  5. Step 5: Solve for x
    x = 4,543,682,941,634.87/3,105,200.30
  6. Step 6: Final answer
    x = 1,463,249.55

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Double scale
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Similar ratio
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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.