Home / 830,334.30-1,245,793.05-357,164.70

Finding the Fourth Proportional to 830,334.30, 1,245,793.05 and 357,164.70

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Solution

The fourth proportional to 830,334.30, 1,245,793.05 and 357,164.70 is: 535,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,334.30 : 1,245,793.05 = 357,164.70 : x
  2. Step 2: Convert to fraction form
    830,334.30/1,245,793.05 = 357,164.70/x
  3. Step 3: Cross multiply
    830,334.30x = 1,245,793.05 × 357,164.70
  4. Step 4: Simplify right side
    830,334.30x = 444,953,300,965.34
  5. Step 5: Solve for x
    x = 444,953,300,965.34/830,334.30
  6. Step 6: Final answer
    x = 535,872.48

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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.