Home / 705,430.40-1,058,145.60-373,654.40

Finding the Fourth Proportional to 705,430.40, 1,058,145.60 and 373,654.40

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Solution

The fourth proportional to 705,430.40, 1,058,145.60 and 373,654.40 is: 560,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,430.40 : 1,058,145.60 = 373,654.40 : x
  2. Step 2: Convert to fraction form
    705,430.40/1,058,145.60 = 373,654.40/x
  3. Step 3: Cross multiply
    705,430.40x = 1,058,145.60 × 373,654.40
  4. Step 4: Simplify right side
    705,430.40x = 395,380,759,280.64
  5. Step 5: Solve for x
    x = 395,380,759,280.64/705,430.40
  6. Step 6: Final answer
    x = 560,481.60

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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.