Home / 830,691.27-1,245,208.77-351,040.05

Finding the Fourth Proportional to 830,691.27, 1,245,208.77 and 351,040.05

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Solution

The fourth proportional to 830,691.27, 1,245,208.77 and 351,040.05 is: 526,210.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,691.27 : 1,245,208.77 = 351,040.05 : x
  2. Step 2: Convert to fraction form
    830,691.27/1,245,208.77 = 351,040.05/x
  3. Step 3: Cross multiply
    830,691.27x = 1,245,208.77 × 351,040.05
  4. Step 4: Simplify right side
    830,691.27x = 437,118,148,881.24
  5. Step 5: Solve for x
    x = 437,118,148,881.24/830,691.27
  6. Step 6: Final answer
    x = 526,210.12

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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.