Home / 763,904-1,054,284.72-462,100.16

Finding the Fourth Proportional to 763,904, 1,054,284.72 and 462,100.16

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Solution

The fourth proportional to 763,904, 1,054,284.72 and 462,100.16 is: 637,757.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,904 : 1,054,284.72 = 462,100.16 : x
  2. Step 2: Convert to fraction form
    763,904/1,054,284.72 = 462,100.16/x
  3. Step 3: Cross multiply
    763,904x = 1,054,284.72 × 462,100.16
  4. Step 4: Simplify right side
    763,904x = 487,185,137,797.56
  5. Step 5: Solve for x
    x = 487,185,137,797.56/763,904
  6. Step 6: Final answer
    x = 637,757.02

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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.