Home / 958,960.60-1,439,996.10-644,810.20

Finding the Fourth Proportional to 958,960.60, 1,439,996.10 and 644,810.20

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Solution

The fourth proportional to 958,960.60, 1,439,996.10 and 644,810.20 is: 968,261.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,960.60 : 1,439,996.10 = 644,810.20 : x
  2. Step 2: Convert to fraction form
    958,960.60/1,439,996.10 = 644,810.20/x
  3. Step 3: Cross multiply
    958,960.60x = 1,439,996.10 × 644,810.20
  4. Step 4: Simplify right side
    958,960.60x = 928,524,173,240.22
  5. Step 5: Solve for x
    x = 928,524,173,240.22/958,960.60
  6. Step 6: Final answer
    x = 968,261.02

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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.