Home / 926,860.80-1,390,291.20-295,820.80

Finding the Fourth Proportional to 926,860.80, 1,390,291.20 and 295,820.80

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Solution

The fourth proportional to 926,860.80, 1,390,291.20 and 295,820.80 is: 443,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,860.80 : 1,390,291.20 = 295,820.80 : x
  2. Step 2: Convert to fraction form
    926,860.80/1,390,291.20 = 295,820.80/x
  3. Step 3: Cross multiply
    926,860.80x = 1,390,291.20 × 295,820.80
  4. Step 4: Simplify right side
    926,860.80x = 411,277,055,016.96
  5. Step 5: Solve for x
    x = 411,277,055,016.96/926,860.80
  6. Step 6: Final answer
    x = 443,731.20

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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.