Home / 517,437.30-776,159.39-180,476.69

Finding the Fourth Proportional to 517,437.30, 776,159.39 and 180,476.69

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Solution

The fourth proportional to 517,437.30, 776,159.39 and 180,476.69 is: 270,716.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,437.30 : 776,159.39 = 180,476.69 : x
  2. Step 2: Convert to fraction form
    517,437.30/776,159.39 = 180,476.69/x
  3. Step 3: Cross multiply
    517,437.30x = 776,159.39 × 180,476.69
  4. Step 4: Simplify right side
    517,437.30x = 140,078,677,619.62
  5. Step 5: Solve for x
    x = 140,078,677,619.62/517,437.30
  6. Step 6: Final answer
    x = 270,716.23

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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.