Home / 958,437.12-1,437,116.22-318,398.22

Finding the Fourth Proportional to 958,437.12, 1,437,116.22 and 318,398.22

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Solution

The fourth proportional to 958,437.12, 1,437,116.22 and 318,398.22 is: 477,418.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,437.12 : 1,437,116.22 = 318,398.22 : x
  2. Step 2: Convert to fraction form
    958,437.12/1,437,116.22 = 318,398.22/x
  3. Step 3: Cross multiply
    958,437.12x = 1,437,116.22 × 318,398.22
  4. Step 4: Simplify right side
    958,437.12x = 457,575,246,381.13
  5. Step 5: Solve for x
    x = 457,575,246,381.13/958,437.12
  6. Step 6: Final answer
    x = 477,418.12

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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.