Home / 531,423.40-733,327.52-298,885.18

Finding the Fourth Proportional to 531,423.40, 733,327.52 and 298,885.18

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Solution

The fourth proportional to 531,423.40, 733,327.52 and 298,885.18 is: 412,440.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,423.40 : 733,327.52 = 298,885.18 : x
  2. Step 2: Convert to fraction form
    531,423.40/733,327.52 = 298,885.18/x
  3. Step 3: Cross multiply
    531,423.40x = 733,327.52 × 298,885.18
  4. Step 4: Simplify right side
    531,423.40x = 219,180,727,814.15
  5. Step 5: Solve for x
    x = 219,180,727,814.15/531,423.40
  6. Step 6: Final answer
    x = 412,440.87

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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.