Home / 959,435.40-1,440,074.70-486,654.60

Finding the Fourth Proportional to 959,435.40, 1,440,074.70 and 486,654.60

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Solution

The fourth proportional to 959,435.40, 1,440,074.70 and 486,654.60 is: 730,449.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,435.40 : 1,440,074.70 = 486,654.60 : x
  2. Step 2: Convert to fraction form
    959,435.40/1,440,074.70 = 486,654.60/x
  3. Step 3: Cross multiply
    959,435.40x = 1,440,074.70 × 486,654.60
  4. Step 4: Simplify right side
    959,435.40x = 700,818,977,098.62
  5. Step 5: Solve for x
    x = 700,818,977,098.62/959,435.40
  6. Step 6: Final answer
    x = 730,449.36

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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.