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Finding the Fourth Proportional to 648,203.60, 970,231.80 and 598,437.20

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Solution

The fourth proportional to 648,203.60, 970,231.80 and 598,437.20 is: 895,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,203.60 : 970,231.80 = 598,437.20 : x
  2. Step 2: Convert to fraction form
    648,203.60/970,231.80 = 598,437.20/x
  3. Step 3: Cross multiply
    648,203.60x = 970,231.80 × 598,437.20
  4. Step 4: Simplify right side
    648,203.60x = 580,622,801,742.96
  5. Step 5: Solve for x
    x = 580,622,801,742.96/648,203.60
  6. Step 6: Final answer
    x = 895,741.40

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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.