Home / 948,738.18-1,423,574.85-443,334.03

Finding the Fourth Proportional to 948,738.18, 1,423,574.85 and 443,334.03

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Solution

The fourth proportional to 948,738.18, 1,423,574.85 and 443,334.03 is: 665,219.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,738.18 : 1,423,574.85 = 443,334.03 : x
  2. Step 2: Convert to fraction form
    948,738.18/1,423,574.85 = 443,334.03/x
  3. Step 3: Cross multiply
    948,738.18x = 1,423,574.85 × 443,334.03
  4. Step 4: Simplify right side
    948,738.18x = 631,119,175,257.15
  5. Step 5: Solve for x
    x = 631,119,175,257.15/948,738.18
  6. Step 6: Final answer
    x = 665,219.54

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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.