Home / 830,001.80-1,245,002.70-261,454.70

Finding the Fourth Proportional to 830,001.80, 1,245,002.70 and 261,454.70

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Solution

The fourth proportional to 830,001.80, 1,245,002.70 and 261,454.70 is: 392,182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,001.80 : 1,245,002.70 = 261,454.70 : x
  2. Step 2: Convert to fraction form
    830,001.80/1,245,002.70 = 261,454.70/x
  3. Step 3: Cross multiply
    830,001.80x = 1,245,002.70 × 261,454.70
  4. Step 4: Simplify right side
    830,001.80x = 325,511,807,427.69
  5. Step 5: Solve for x
    x = 325,511,807,427.69/830,001.80
  6. Step 6: Final answer
    x = 392,182.05

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1.5x scale

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.