Home / 771,797.76-1,157,078.38-366,786.69

Finding the Fourth Proportional to 771,797.76, 1,157,078.38 and 366,786.69

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Solution

The fourth proportional to 771,797.76, 1,157,078.38 and 366,786.69 is: 549,886.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,797.76 : 1,157,078.38 = 366,786.69 : x
  2. Step 2: Convert to fraction form
    771,797.76/1,157,078.38 = 366,786.69/x
  3. Step 3: Cross multiply
    771,797.76x = 1,157,078.38 × 366,786.69
  4. Step 4: Simplify right side
    771,797.76x = 424,400,942,368.40
  5. Step 5: Solve for x
    x = 424,400,942,368.40/771,797.76
  6. Step 6: Final answer
    x = 549,886.21

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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.