Home / 648,447.12-894,853.59-376,581.84

Finding the Fourth Proportional to 648,447.12, 894,853.59 and 376,581.84

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Solution

The fourth proportional to 648,447.12, 894,853.59 and 376,581.84 is: 519,680.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,447.12 : 894,853.59 = 376,581.84 : x
  2. Step 2: Convert to fraction form
    648,447.12/894,853.59 = 376,581.84/x
  3. Step 3: Cross multiply
    648,447.12x = 894,853.59 × 376,581.84
  4. Step 4: Simplify right side
    648,447.12x = 336,985,611,452.81
  5. Step 5: Solve for x
    x = 336,985,611,452.81/648,447.12
  6. Step 6: Final answer
    x = 519,680.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.