Home / 531,454-733,435.68-305,114.08

Finding the Fourth Proportional to 531,454, 733,435.68 and 305,114.08

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Solution

The fourth proportional to 531,454, 733,435.68 and 305,114.08 is: 421,074.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,454 : 733,435.68 = 305,114.08 : x
  2. Step 2: Convert to fraction form
    531,454/733,435.68 = 305,114.08/x
  3. Step 3: Cross multiply
    531,454x = 733,435.68 × 305,114.08
  4. Step 4: Simplify right side
    531,454x = 223,781,552,742.37
  5. Step 5: Solve for x
    x = 223,781,552,742.37/531,454
  6. Step 6: Final answer
    x = 421,074.17

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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.