Home / 958,426.88-1,437,100.80-318,388

Finding the Fourth Proportional to 958,426.88, 1,437,100.80 and 318,388

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Solution

The fourth proportional to 958,426.88, 1,437,100.80 and 318,388 is: 477,402.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,426.88 : 1,437,100.80 = 318,388 : x
  2. Step 2: Convert to fraction form
    958,426.88/1,437,100.80 = 318,388/x
  3. Step 3: Cross multiply
    958,426.88x = 1,437,100.80 × 318,388
  4. Step 4: Simplify right side
    958,426.88x = 457,555,649,510.40
  5. Step 5: Solve for x
    x = 457,555,649,510.40/958,426.88
  6. Step 6: Final answer
    x = 477,402.77

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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.