Home / 830,454.20-1,245,681.30-788,982.20

Finding the Fourth Proportional to 830,454.20, 1,245,681.30 and 788,982.20

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Solution

The fourth proportional to 830,454.20, 1,245,681.30 and 788,982.20 is: 1,183,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,454.20 : 1,245,681.30 = 788,982.20 : x
  2. Step 2: Convert to fraction form
    830,454.20/1,245,681.30 = 788,982.20/x
  3. Step 3: Cross multiply
    830,454.20x = 1,245,681.30 × 788,982.20
  4. Step 4: Simplify right side
    830,454.20x = 982,820,372,572.86
  5. Step 5: Solve for x
    x = 982,820,372,572.86/830,454.20
  6. Step 6: Final answer
    x = 1,183,473.30

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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.