Home / 3,118,384.50-4,677,576.93-754,480.50

Finding the Fourth Proportional to 3,118,384.50, 4,677,576.93 and 754,480.50

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Solution

The fourth proportional to 3,118,384.50, 4,677,576.93 and 754,480.50 is: 1,131,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,384.50 : 4,677,576.93 = 754,480.50 : x
  2. Step 2: Convert to fraction form
    3,118,384.50/4,677,576.93 = 754,480.50/x
  3. Step 3: Cross multiply
    3,118,384.50x = 4,677,576.93 × 754,480.50
  4. Step 4: Simplify right side
    3,118,384.50x = 3,529,140,580,934.87
  5. Step 5: Solve for x
    x = 3,529,140,580,934.87/3,118,384.50
  6. Step 6: Final answer
    x = 1,131,720.79

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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.