Home / 958,368.96-1,437,401.05-318,619.53

Finding the Fourth Proportional to 958,368.96, 1,437,401.05 and 318,619.53

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Solution

The fourth proportional to 958,368.96, 1,437,401.05 and 318,619.53 is: 477,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,368.96 : 1,437,401.05 = 318,619.53 : x
  2. Step 2: Convert to fraction form
    958,368.96/1,437,401.05 = 318,619.53/x
  3. Step 3: Cross multiply
    958,368.96x = 1,437,401.05 × 318,619.53
  4. Step 4: Simplify right side
    958,368.96x = 457,984,046,175.96
  5. Step 5: Solve for x
    x = 457,984,046,175.96/958,368.96
  6. Step 6: Final answer
    x = 477,878.63

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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.