Home / 703,902.80-1,055,854.20-230,603.60

Finding the Fourth Proportional to 703,902.80, 1,055,854.20 and 230,603.60

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Solution

The fourth proportional to 703,902.80, 1,055,854.20 and 230,603.60 is: 345,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,902.80 : 1,055,854.20 = 230,603.60 : x
  2. Step 2: Convert to fraction form
    703,902.80/1,055,854.20 = 230,603.60/x
  3. Step 3: Cross multiply
    703,902.80x = 1,055,854.20 × 230,603.60
  4. Step 4: Simplify right side
    703,902.80x = 243,483,779,595.12
  5. Step 5: Solve for x
    x = 243,483,779,595.12/703,902.80
  6. Step 6: Final answer
    x = 345,905.40

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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.