Home / 766,848.80-1,150,273.20-483,413.60

Finding the Fourth Proportional to 766,848.80, 1,150,273.20 and 483,413.60

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Solution

The fourth proportional to 766,848.80, 1,150,273.20 and 483,413.60 is: 725,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,848.80 : 1,150,273.20 = 483,413.60 : x
  2. Step 2: Convert to fraction form
    766,848.80/1,150,273.20 = 483,413.60/x
  3. Step 3: Cross multiply
    766,848.80x = 1,150,273.20 × 483,413.60
  4. Step 4: Simplify right side
    766,848.80x = 556,057,708,595.52
  5. Step 5: Solve for x
    x = 556,057,708,595.52/766,848.80
  6. Step 6: Final answer
    x = 725,120.40

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Half scale
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Double scale
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Similar ratio
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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.