Home / 830,921.08-1,245,848.94-351,019

Finding the Fourth Proportional to 830,921.08, 1,245,848.94 and 351,019

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Solution

The fourth proportional to 830,921.08, 1,245,848.94 and 351,019 is: 526,303.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,921.08 : 1,245,848.94 = 351,019 : x
  2. Step 2: Convert to fraction form
    830,921.08/1,245,848.94 = 351,019/x
  3. Step 3: Cross multiply
    830,921.08x = 1,245,848.94 × 351,019
  4. Step 4: Simplify right side
    830,921.08x = 437,316,649,069.86
  5. Step 5: Solve for x
    x = 437,316,649,069.86/830,921.08
  6. Step 6: Final answer
    x = 526,303.47

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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.