Home / 830,205.80-1,245,308.70-546,770.60

Finding the Fourth Proportional to 830,205.80, 1,245,308.70 and 546,770.60

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Solution

The fourth proportional to 830,205.80, 1,245,308.70 and 546,770.60 is: 820,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,205.80 : 1,245,308.70 = 546,770.60 : x
  2. Step 2: Convert to fraction form
    830,205.80/1,245,308.70 = 546,770.60/x
  3. Step 3: Cross multiply
    830,205.80x = 1,245,308.70 × 546,770.60
  4. Step 4: Simplify right side
    830,205.80x = 680,898,185,084.22
  5. Step 5: Solve for x
    x = 680,898,185,084.22/830,205.80
  6. Step 6: Final answer
    x = 820,155.90

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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.