Home / 833,245.12-1,249,932.48-272,336.32

Finding the Fourth Proportional to 833,245.12, 1,249,932.48 and 272,336.32

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Solution

The fourth proportional to 833,245.12, 1,249,932.48 and 272,336.32 is: 408,525.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,245.12 : 1,249,932.48 = 272,336.32 : x
  2. Step 2: Convert to fraction form
    833,245.12/1,249,932.48 = 272,336.32/x
  3. Step 3: Cross multiply
    833,245.12x = 1,249,932.48 × 272,336.32
  4. Step 4: Simplify right side
    833,245.12x = 340,402,010,489.99
  5. Step 5: Solve for x
    x = 340,402,010,489.99/833,245.12
  6. Step 6: Final answer
    x = 408,525.66

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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.