Home / 886,860.80-1,330,291.20-325,822.40

Finding the Fourth Proportional to 886,860.80, 1,330,291.20 and 325,822.40

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Solution

The fourth proportional to 886,860.80, 1,330,291.20 and 325,822.40 is: 488,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,860.80 : 1,330,291.20 = 325,822.40 : x
  2. Step 2: Convert to fraction form
    886,860.80/1,330,291.20 = 325,822.40/x
  3. Step 3: Cross multiply
    886,860.80x = 1,330,291.20 × 325,822.40
  4. Step 4: Simplify right side
    886,860.80x = 433,438,671,482.88
  5. Step 5: Solve for x
    x = 433,438,671,482.88/886,860.80
  6. Step 6: Final answer
    x = 488,733.60

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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.