Home / 760,759.39-1,141,468.81-418,785.04

Finding the Fourth Proportional to 760,759.39, 1,141,468.81 and 418,785.04

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Solution

The fourth proportional to 760,759.39, 1,141,468.81 and 418,785.04 is: 628,359.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,759.39 : 1,141,468.81 = 418,785.04 : x
  2. Step 2: Convert to fraction form
    760,759.39/1,141,468.81 = 418,785.04/x
  3. Step 3: Cross multiply
    760,759.39x = 1,141,468.81 × 418,785.04
  4. Step 4: Simplify right side
    760,759.39x = 478,030,055,213.71
  5. Step 5: Solve for x
    x = 478,030,055,213.71/760,759.39
  6. Step 6: Final answer
    x = 628,359.06

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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.