Home / 869,057.28-1,303,656.82-436,552.28

Finding the Fourth Proportional to 869,057.28, 1,303,656.82 and 436,552.28

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Solution

The fourth proportional to 869,057.28, 1,303,656.82 and 436,552.28 is: 654,864.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,057.28 : 1,303,656.82 = 436,552.28 : x
  2. Step 2: Convert to fraction form
    869,057.28/1,303,656.82 = 436,552.28/x
  3. Step 3: Cross multiply
    869,057.28x = 1,303,656.82 × 436,552.28
  4. Step 4: Simplify right side
    869,057.28x = 569,114,357,108.55
  5. Step 5: Solve for x
    x = 569,114,357,108.55/869,057.28
  6. Step 6: Final answer
    x = 654,864.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.