Home / 531,215.46-733,055.94-289,492.84

Finding the Fourth Proportional to 531,215.46, 733,055.94 and 289,492.84

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Solution

The fourth proportional to 531,215.46, 733,055.94 and 289,492.84 is: 399,488.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,215.46 : 733,055.94 = 289,492.84 : x
  2. Step 2: Convert to fraction form
    531,215.46/733,055.94 = 289,492.84/x
  3. Step 3: Cross multiply
    531,215.46x = 733,055.94 × 289,492.84
  4. Step 4: Simplify right side
    531,215.46x = 212,214,445,202.43
  5. Step 5: Solve for x
    x = 212,214,445,202.43/531,215.46
  6. Step 6: Final answer
    x = 399,488.46

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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.