Home / 958,358.88-1,437,736.64-389,740

Finding the Fourth Proportional to 958,358.88, 1,437,736.64 and 389,740

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Solution

The fourth proportional to 958,358.88, 1,437,736.64 and 389,740 is: 584,690.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,358.88 : 1,437,736.64 = 389,740 : x
  2. Step 2: Convert to fraction form
    958,358.88/1,437,736.64 = 389,740/x
  3. Step 3: Cross multiply
    958,358.88x = 1,437,736.64 × 389,740
  4. Step 4: Simplify right side
    958,358.88x = 560,343,478,073.60
  5. Step 5: Solve for x
    x = 560,343,478,073.60/958,358.88
  6. Step 6: Final answer
    x = 584,690.65

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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.