Home / 959,860.98-1,439,643.51-320,175.90

Finding the Fourth Proportional to 959,860.98, 1,439,643.51 and 320,175.90

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Solution

The fourth proportional to 959,860.98, 1,439,643.51 and 320,175.90 is: 480,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,860.98 : 1,439,643.51 = 320,175.90 : x
  2. Step 2: Convert to fraction form
    959,860.98/1,439,643.51 = 320,175.90/x
  3. Step 3: Cross multiply
    959,860.98x = 1,439,643.51 × 320,175.90
  4. Step 4: Simplify right side
    959,860.98x = 460,939,156,493.41
  5. Step 5: Solve for x
    x = 460,939,156,493.41/959,860.98
  6. Step 6: Final answer
    x = 480,214.50

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1.5x scale

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.