Home / 764,384.07-1,146,714.01-314,859.59

Finding the Fourth Proportional to 764,384.07, 1,146,714.01 and 314,859.59

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Solution

The fourth proportional to 764,384.07, 1,146,714.01 and 314,859.59 is: 472,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,384.07 : 1,146,714.01 = 314,859.59 : x
  2. Step 2: Convert to fraction form
    764,384.07/1,146,714.01 = 314,859.59/x
  3. Step 3: Cross multiply
    764,384.07x = 1,146,714.01 × 314,859.59
  4. Step 4: Simplify right side
    764,384.07x = 361,053,896,515.14
  5. Step 5: Solve for x
    x = 361,053,896,515.14/764,384.07
  6. Step 6: Final answer
    x = 472,346.18

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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.