Home / 945,361.30-1,416,859.35-472,178.74

Finding the Fourth Proportional to 945,361.30, 1,416,859.35 and 472,178.74

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Solution

The fourth proportional to 945,361.30, 1,416,859.35 and 472,178.74 is: 707,677.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,361.30 : 1,416,859.35 = 472,178.74 : x
  2. Step 2: Convert to fraction form
    945,361.30/1,416,859.35 = 472,178.74/x
  3. Step 3: Cross multiply
    945,361.30x = 1,416,859.35 × 472,178.74
  4. Step 4: Simplify right side
    945,361.30x = 669,010,862,640.22
  5. Step 5: Solve for x
    x = 669,010,862,640.22/945,361.30
  6. Step 6: Final answer
    x = 707,677.44

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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.