Home / 762,152.46-1,051,857.09-439,949.04

Finding the Fourth Proportional to 762,152.46, 1,051,857.09 and 439,949.04

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Solution

The fourth proportional to 762,152.46, 1,051,857.09 and 439,949.04 is: 607,179.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,152.46 : 1,051,857.09 = 439,949.04 : x
  2. Step 2: Convert to fraction form
    762,152.46/1,051,857.09 = 439,949.04/x
  3. Step 3: Cross multiply
    762,152.46x = 1,051,857.09 × 439,949.04
  4. Step 4: Simplify right side
    762,152.46x = 462,763,516,962.69
  5. Step 5: Solve for x
    x = 462,763,516,962.69/762,152.46
  6. Step 6: Final answer
    x = 607,179.72

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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.