Home / 862,579.17-1,293,256.40-329,651.01

Finding the Fourth Proportional to 862,579.17, 1,293,256.40 and 329,651.01

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Solution

The fourth proportional to 862,579.17, 1,293,256.40 and 329,651.01 is: 494,242.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,579.17 : 1,293,256.40 = 329,651.01 : x
  2. Step 2: Convert to fraction form
    862,579.17/1,293,256.40 = 329,651.01/x
  3. Step 3: Cross multiply
    862,579.17x = 1,293,256.40 × 329,651.01
  4. Step 4: Simplify right side
    862,579.17x = 426,323,276,800.71
  5. Step 5: Solve for x
    x = 426,323,276,800.71/862,579.17
  6. Step 6: Final answer
    x = 494,242.49

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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.