Home / 774,530.16-1,160,112.84-374,331.64

Finding the Fourth Proportional to 774,530.16, 1,160,112.84 and 374,331.64

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Solution

The fourth proportional to 774,530.16, 1,160,112.84 and 374,331.64 is: 560,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,530.16 : 1,160,112.84 = 374,331.64 : x
  2. Step 2: Convert to fraction form
    774,530.16/1,160,112.84 = 374,331.64/x
  3. Step 3: Cross multiply
    774,530.16x = 1,160,112.84 × 374,331.64
  4. Step 4: Simplify right side
    774,530.16x = 434,266,941,982.26
  5. Step 5: Solve for x
    x = 434,266,941,982.26/774,530.16
  6. Step 6: Final answer
    x = 560,684.35

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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.