Home / 688,057.10-949,487.28-382,153.04

Finding the Fourth Proportional to 688,057.10, 949,487.28 and 382,153.04

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Solution

The fourth proportional to 688,057.10, 949,487.28 and 382,153.04 is: 527,353.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,057.10 : 949,487.28 = 382,153.04 : x
  2. Step 2: Convert to fraction form
    688,057.10/949,487.28 = 382,153.04/x
  3. Step 3: Cross multiply
    688,057.10x = 949,487.28 × 382,153.04
  4. Step 4: Simplify right side
    688,057.10x = 362,849,450,493.33
  5. Step 5: Solve for x
    x = 362,849,450,493.33/688,057.10
  6. Step 6: Final answer
    x = 527,353.69

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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.