Home / 774,530.76-1,160,965.51-374,621.40

Finding the Fourth Proportional to 774,530.76, 1,160,965.51 and 374,621.40

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Solution

The fourth proportional to 774,530.76, 1,160,965.51 and 374,621.40 is: 561,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,530.76 : 1,160,965.51 = 374,621.40 : x
  2. Step 2: Convert to fraction form
    774,530.76/1,160,965.51 = 374,621.40/x
  3. Step 3: Cross multiply
    774,530.76x = 1,160,965.51 × 374,621.40
  4. Step 4: Simplify right side
    774,530.76x = 434,922,524,707.91
  5. Step 5: Solve for x
    x = 434,922,524,707.91/774,530.76
  6. Step 6: Final answer
    x = 561,530.34

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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.