Home / 833,140.22-1,248,868.79-328,055.61

Finding the Fourth Proportional to 833,140.22, 1,248,868.79 and 328,055.61

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Solution

The fourth proportional to 833,140.22, 1,248,868.79 and 328,055.61 is: 491,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,140.22 : 1,248,868.79 = 328,055.61 : x
  2. Step 2: Convert to fraction form
    833,140.22/1,248,868.79 = 328,055.61/x
  3. Step 3: Cross multiply
    833,140.22x = 1,248,868.79 × 328,055.61
  4. Step 4: Simplify right side
    833,140.22x = 409,698,407,950.96
  5. Step 5: Solve for x
    x = 409,698,407,950.96/833,140.22
  6. Step 6: Final answer
    x = 491,752.05

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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.