Home / 763,857.53-1,054,153.31-522,646.01

Finding the Fourth Proportional to 763,857.53, 1,054,153.31 and 522,646.01

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Solution

The fourth proportional to 763,857.53, 1,054,153.31 and 522,646.01 is: 721,271.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,857.53 : 1,054,153.31 = 522,646.01 : x
  2. Step 2: Convert to fraction form
    763,857.53/1,054,153.31 = 522,646.01/x
  3. Step 3: Cross multiply
    763,857.53x = 1,054,153.31 × 522,646.01
  4. Step 4: Simplify right side
    763,857.53x = 550,949,018,786.56
  5. Step 5: Solve for x
    x = 550,949,018,786.56/763,857.53
  6. Step 6: Final answer
    x = 721,271.96

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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.